989458568

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 2216160000

約数和(自身を除く): 1226701432

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 89, 98, 158, 178, 196, 316, 356, 359, 392, 553, 623, 632, 712, 718, 1106, 1246, 1436, 2212, 2492, 2513, 2872, 3871, 4361, 4424, 4984, 5026, 7031, 7742, 8722, 10052, 14062, 15484, 17444, 17591, 20104, 28124, 28361, 30968, 31951, 34888, 35182, 49217, 56248, 56722, 63902, 70364, 98434, 113444, 127804, 140728, 196868, 198527, 223657, 226888, 255608, 344519, 393736, 397054, 447314, 689038, 794108, 894628, 1378076, 1389689, 1565599, 1588216, 1789256, 2524129, 2756152, 2779378, 3131198, 5048258, 5558756, 6262396, 10096516, 11117512, 12524792, 17668903, 20193032, 35337806, 70675612, 123682321, 141351224, 247364642, 494729284, 989458568]

約数ペア:

[(1, 989458568), (2, 494729284), (4, 247364642), (7, 141351224), (8, 123682321), (14, 70675612), (28, 35337806), (49, 20193032), (56, 17668903), (79, 12524792), (89, 11117512), (98, 10096516), (158, 6262396), (178, 5558756), (196, 5048258), (316, 3131198), (356, 2779378), (359, 2756152), (392, 2524129), (553, 1789256), (623, 1588216), (632, 1565599), (712, 1389689), (718, 1378076), (1106, 894628), (1246, 794108), (1436, 689038), (2212, 447314), (2492, 397054), (2513, 393736), (2872, 344519), (3871, 255608), (4361, 226888), (4424, 223657), (4984, 198527), (5026, 196868), (7031, 140728), (7742, 127804), (8722, 113444), (10052, 98434), (14062, 70364), (15484, 63902), (17444, 56722), (17591, 56248), (20104, 49217), (28124, 35182), (28361, 34888), (30968, 31951)]