637152012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 1886976000

約数和(自身を除く): 1249823988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 149, 213, 239, 252, 284, 298, 426, 447, 478, 497, 596, 639, 717, 852, 894, 956, 994, 1043, 1278, 1341, 1434, 1491, 1673, 1788, 1988, 2086, 2151, 2556, 2682, 2868, 2982, 3129, 3346, 4172, 4302, 4473, 5019, 5364, 5964, 6258, 6692, 8604, 8946, 9387, 10038, 10579, 12516, 15057, 16969, 17892, 18774, 20076, 21158, 30114, 31737, 33938, 35611, 37548, 42316, 50907, 60228, 63474, 67876, 71222, 74053, 95211, 101814, 106833, 118783, 126948, 142444, 148106, 152721, 190422, 203628, 213666, 222159, 237566, 249277, 296212, 305442, 320499, 356349, 380844, 427332, 444318, 475132, 498554, 610884, 640998, 666477, 712698, 747831, 888636, 997108, 1069047, 1281996, 1332954, 1425396, 1495662, 2138094, 2243493, 2528381, 2665908, 2991324, 4276188, 4486986, 5056762, 7585143, 8973972, 10113524, 15170286, 17698667, 22755429, 30340572, 35397334, 45510858, 53096001, 70794668, 91021716, 106192002, 159288003, 212384004, 318576006, 637152012]

約数ペア:

[(1, 637152012), (2, 318576006), (3, 212384004), (4, 159288003), (6, 106192002), (7, 91021716), (9, 70794668), (12, 53096001), (14, 45510858), (18, 35397334), (21, 30340572), (28, 22755429), (36, 17698667), (42, 15170286), (63, 10113524), (71, 8973972), (84, 7585143), (126, 5056762), (142, 4486986), (149, 4276188), (213, 2991324), (239, 2665908), (252, 2528381), (284, 2243493), (298, 2138094), (426, 1495662), (447, 1425396), (478, 1332954), (497, 1281996), (596, 1069047), (639, 997108), (717, 888636), (852, 747831), (894, 712698), (956, 666477), (994, 640998), (1043, 610884), (1278, 498554), (1341, 475132), (1434, 444318), (1491, 427332), (1673, 380844), (1788, 356349), (1988, 320499), (2086, 305442), (2151, 296212), (2556, 249277), (2682, 237566), (2868, 222159), (2982, 213666), (3129, 203628), (3346, 190422), (4172, 152721), (4302, 148106), (4473, 142444), (5019, 126948), (5364, 118783), (5964, 106833), (6258, 101814), (6692, 95211), (8604, 74053), (8946, 71222), (9387, 67876), (10038, 63474), (10579, 60228), (12516, 50907), (15057, 42316), (16969, 37548), (17892, 35611), (18774, 33938), (20076, 31737), (21158, 30114)]