217156789688

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{607}}^1\times {\mathrm{929}}^1\times {\mathrm{1301}}^1$

素因数の和:2880

約数の個数: 64

約数和(自身を含む): 419635641600

約数和(自身を除く): 202478851912

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 607, 929, 1214, 1301, 1858, 2428, 2602, 3716, 4856, 5204, 7432, 10408, 22459, 34373, 44918, 48137, 68746, 89836, 96274, 137492, 179672, 192548, 274984, 385096, 563903, 789707, 1127806, 1208629, 1579414, 2255612, 2417258, 3158828, 4511224, 4834516, 6317656, 9669032, 20864411, 29219159, 41728822, 44719273, 58438318, 83457644, 89438546, 116876636, 166915288, 178877092, 233753272, 357754184, 733637803, 1467275606, 2934551212, 5869102424, 27144598711, 54289197422, 108578394844, 217156789688]

約数ペア:

[(1, 217156789688), (2, 108578394844), (4, 54289197422), (8, 27144598711), (37, 5869102424), (74, 2934551212), (148, 1467275606), (296, 733637803), (607, 357754184), (929, 233753272), (1214, 178877092), (1301, 166915288), (1858, 116876636), (2428, 89438546), (2602, 83457644), (3716, 58438318), (4856, 44719273), (5204, 41728822), (7432, 29219159), (10408, 20864411), (22459, 9669032), (34373, 6317656), (44918, 4834516), (48137, 4511224), (68746, 3158828), (89836, 2417258), (96274, 2255612), (137492, 1579414), (179672, 1208629), (192548, 1127806), (274984, 789707), (385096, 563903)]