1097005990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{39761}}^1$

素因数の和:39888

約数の個数: 32

約数和(自身を含む): 2061262080

約数和(自身を除く): 964256090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 13795, 27590, 39761, 79522, 198805, 397610, 1232591, 2465182, 3538729, 6162955, 7077458, 12325910, 17693645, 35387290, 109700599, 219401198, 548502995, 1097005990]

約数ペア:

[(1, 1097005990), (2, 548502995), (5, 219401198), (10, 109700599), (31, 35387290), (62, 17693645), (89, 12325910), (155, 7077458), (178, 6162955), (310, 3538729), (445, 2465182), (890, 1232591), (2759, 397610), (5518, 198805), (13795, 79522), (27590, 39761)]