1971986508

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{3833}}^1$

素因数の和:4335

約数の個数: 72

約数和(自身を含む): 5158048896

約数和(自身を除く): 3186062388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 461, 558, 922, 1116, 1383, 1844, 2766, 3833, 4149, 5532, 7666, 8298, 11499, 14291, 15332, 16596, 22998, 28582, 34497, 42873, 45996, 57164, 68994, 85746, 118823, 128619, 137988, 171492, 237646, 257238, 356469, 475292, 514476, 712938, 1069407, 1425876, 1767013, 2138814, 3534026, 4277628, 5301039, 7068052, 10602078, 15903117, 21204156, 31806234, 54777403, 63612468, 109554806, 164332209, 219109612, 328664418, 492996627, 657328836, 985993254, 1971986508]

約数ペア:

[(1, 1971986508), (2, 985993254), (3, 657328836), (4, 492996627), (6, 328664418), (9, 219109612), (12, 164332209), (18, 109554806), (31, 63612468), (36, 54777403), (62, 31806234), (93, 21204156), (124, 15903117), (186, 10602078), (279, 7068052), (372, 5301039), (461, 4277628), (558, 3534026), (922, 2138814), (1116, 1767013), (1383, 1425876), (1844, 1069407), (2766, 712938), (3833, 514476), (4149, 475292), (5532, 356469), (7666, 257238), (8298, 237646), (11499, 171492), (14291, 137988), (15332, 128619), (16596, 118823), (22998, 85746), (28582, 68994), (34497, 57164), (42873, 45996)]