215501274

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2819}}^1$

素因数の和:2995

約数の個数: 48

約数和(自身を含む): 485671680

約数和(自身を除く): 270170406

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 137, 186, 274, 279, 411, 558, 822, 1233, 2466, 2819, 4247, 5638, 8457, 8494, 12741, 16914, 25371, 25482, 38223, 50742, 76446, 87389, 174778, 262167, 386203, 524334, 772406, 786501, 1158609, 1573002, 2317218, 3475827, 6951654, 11972293, 23944586, 35916879, 71833758, 107750637, 215501274]

約数ペア:

[(1, 215501274), (2, 107750637), (3, 71833758), (6, 35916879), (9, 23944586), (18, 11972293), (31, 6951654), (62, 3475827), (93, 2317218), (137, 1573002), (186, 1158609), (274, 786501), (279, 772406), (411, 524334), (558, 386203), (822, 262167), (1233, 174778), (2466, 87389), (2819, 76446), (4247, 50742), (5638, 38223), (8457, 25482), (8494, 25371), (12741, 16914)]