81638748

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 214695936

約数和(自身を除く): 133057188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 191, 279, 372, 382, 383, 558, 573, 764, 766, 1116, 1146, 1149, 1532, 1719, 2292, 2298, 3438, 3447, 4596, 5921, 6876, 6894, 11842, 11873, 13788, 17763, 23684, 23746, 35526, 35619, 47492, 53289, 71052, 71238, 73153, 106578, 106857, 142476, 146306, 213156, 213714, 219459, 292612, 427428, 438918, 658377, 877836, 1316754, 2267743, 2633508, 4535486, 6803229, 9070972, 13606458, 20409687, 27212916, 40819374, 81638748]

約数ペア:

[(1, 81638748), (2, 40819374), (3, 27212916), (4, 20409687), (6, 13606458), (9, 9070972), (12, 6803229), (18, 4535486), (31, 2633508), (36, 2267743), (62, 1316754), (93, 877836), (124, 658377), (186, 438918), (191, 427428), (279, 292612), (372, 219459), (382, 213714), (383, 213156), (558, 146306), (573, 142476), (764, 106857), (766, 106578), (1116, 73153), (1146, 71238), (1149, 71052), (1532, 53289), (1719, 47492), (2292, 35619), (2298, 35526), (3438, 23746), (3447, 23684), (4596, 17763), (5921, 13788), (6876, 11873), (6894, 11842)]