71979516

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 220147200

約数和(自身を除く): 148167684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 81, 84, 108, 126, 142, 149, 162, 189, 213, 243, 252, 284, 298, 324, 378, 426, 447, 486, 497, 567, 596, 639, 756, 852, 894, 972, 994, 1043, 1134, 1278, 1341, 1491, 1701, 1788, 1917, 1988, 2086, 2268, 2556, 2682, 2982, 3129, 3402, 3834, 4023, 4172, 4473, 5364, 5751, 5964, 6258, 6804, 7668, 8046, 8946, 9387, 10579, 11502, 12069, 12516, 13419, 16092, 17253, 17892, 18774, 21158, 23004, 24138, 26838, 28161, 31737, 34506, 36207, 37548, 40257, 42316, 48276, 53676, 56322, 63474, 69012, 72414, 74053, 80514, 84483, 95211, 112644, 120771, 126948, 144828, 148106, 161028, 168966, 190422, 222159, 241542, 253449, 285633, 296212, 337932, 380844, 444318, 483084, 506898, 571266, 666477, 856899, 888636, 1013796, 1142532, 1332954, 1713798, 1999431, 2570697, 2665908, 3427596, 3998862, 5141394, 5998293, 7997724, 10282788, 11996586, 17994879, 23993172, 35989758, 71979516]

約数ペア:

[(1, 71979516), (2, 35989758), (3, 23993172), (4, 17994879), (6, 11996586), (7, 10282788), (9, 7997724), (12, 5998293), (14, 5141394), (18, 3998862), (21, 3427596), (27, 2665908), (28, 2570697), (36, 1999431), (42, 1713798), (54, 1332954), (63, 1142532), (71, 1013796), (81, 888636), (84, 856899), (108, 666477), (126, 571266), (142, 506898), (149, 483084), (162, 444318), (189, 380844), (213, 337932), (243, 296212), (252, 285633), (284, 253449), (298, 241542), (324, 222159), (378, 190422), (426, 168966), (447, 161028), (486, 148106), (497, 144828), (567, 126948), (596, 120771), (639, 112644), (756, 95211), (852, 84483), (894, 80514), (972, 74053), (994, 72414), (1043, 69012), (1134, 63474), (1278, 56322), (1341, 53676), (1491, 48276), (1701, 42316), (1788, 40257), (1917, 37548), (1988, 36207), (2086, 34506), (2268, 31737), (2556, 28161), (2682, 26838), (2982, 24138), (3129, 23004), (3402, 21158), (3834, 18774), (4023, 17892), (4172, 17253), (4473, 16092), (5364, 13419), (5751, 12516), (5964, 12069), (6258, 11502), (6804, 10579), (7668, 9387), (8046, 8946)]