9920992

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 20587392

約数和(自身を除く): 10666400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 73, 124, 137, 146, 248, 274, 292, 496, 548, 584, 992, 1096, 1168, 2192, 2263, 2336, 4247, 4384, 4526, 8494, 9052, 10001, 16988, 18104, 20002, 33976, 36208, 40004, 67952, 72416, 80008, 135904, 160016, 310031, 320032, 620062, 1240124, 2480248, 4960496, 9920992]

約数ペア:

[(1, 9920992), (2, 4960496), (4, 2480248), (8, 1240124), (16, 620062), (31, 320032), (32, 310031), (62, 160016), (73, 135904), (124, 80008), (137, 72416), (146, 67952), (248, 40004), (274, 36208), (292, 33976), (496, 20002), (548, 18104), (584, 16988), (992, 10001), (1096, 9052), (1168, 8494), (2192, 4526), (2263, 4384), (2336, 4247)]