247109928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:963

約数の個数: 128

約数和(自身を含む): 711244800

約数和(自身を除く): 464134872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 31, 39, 52, 58, 62, 78, 87, 93, 104, 116, 124, 156, 174, 186, 232, 248, 312, 348, 372, 377, 403, 696, 744, 754, 806, 881, 899, 1131, 1209, 1508, 1612, 1762, 1798, 2262, 2418, 2643, 2697, 3016, 3224, 3524, 3596, 4524, 4836, 5286, 5394, 7048, 7192, 9048, 9672, 10572, 10788, 11453, 11687, 21144, 21576, 22906, 23374, 25549, 27311, 34359, 35061, 45812, 46748, 51098, 54622, 68718, 70122, 76647, 81933, 91624, 93496, 102196, 109244, 137436, 140244, 153294, 163866, 204392, 218488, 274872, 280488, 306588, 327732, 332137, 355043, 613176, 655464, 664274, 710086, 792019, 996411, 1065129, 1328548, 1420172, 1584038, 1992822, 2130258, 2376057, 2657096, 2840344, 3168076, 3985644, 4260516, 4752114, 6336152, 7971288, 8521032, 9504228, 10296247, 19008456, 20592494, 30888741, 41184988, 61777482, 82369976, 123554964, 247109928]

約数ペア:

[(1, 247109928), (2, 123554964), (3, 82369976), (4, 61777482), (6, 41184988), (8, 30888741), (12, 20592494), (13, 19008456), (24, 10296247), (26, 9504228), (29, 8521032), (31, 7971288), (39, 6336152), (52, 4752114), (58, 4260516), (62, 3985644), (78, 3168076), (87, 2840344), (93, 2657096), (104, 2376057), (116, 2130258), (124, 1992822), (156, 1584038), (174, 1420172), (186, 1328548), (232, 1065129), (248, 996411), (312, 792019), (348, 710086), (372, 664274), (377, 655464), (403, 613176), (696, 355043), (744, 332137), (754, 327732), (806, 306588), (881, 280488), (899, 274872), (1131, 218488), (1209, 204392), (1508, 163866), (1612, 153294), (1762, 140244), (1798, 137436), (2262, 109244), (2418, 102196), (2643, 93496), (2697, 91624), (3016, 81933), (3224, 76647), (3524, 70122), (3596, 68718), (4524, 54622), (4836, 51098), (5286, 46748), (5394, 45812), (7048, 35061), (7192, 34359), (9048, 27311), (9672, 25549), (10572, 23374), (10788, 22906), (11453, 21576), (11687, 21144)]