217551438

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 525837312

約数和(自身を除く): 308285874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 131, 141, 151, 234, 262, 282, 302, 393, 423, 453, 611, 786, 846, 906, 1179, 1222, 1359, 1703, 1833, 1963, 2358, 2718, 3406, 3666, 3926, 5109, 5499, 5889, 6157, 7097, 10218, 10998, 11778, 12314, 14194, 15327, 17667, 18471, 19781, 21291, 30654, 35334, 36942, 39562, 42582, 55413, 59343, 63873, 80041, 92261, 110826, 118686, 127746, 160082, 178029, 184522, 240123, 257153, 276783, 356058, 480246, 514306, 553566, 720369, 771459, 830349, 929707, 1440738, 1542918, 1660698, 1859414, 2314377, 2789121, 4628754, 5578242, 8367363, 12086191, 16734726, 24172382, 36258573, 72517146, 108775719, 217551438]

約数ペア:

[(1, 217551438), (2, 108775719), (3, 72517146), (6, 36258573), (9, 24172382), (13, 16734726), (18, 12086191), (26, 8367363), (39, 5578242), (47, 4628754), (78, 2789121), (94, 2314377), (117, 1859414), (131, 1660698), (141, 1542918), (151, 1440738), (234, 929707), (262, 830349), (282, 771459), (302, 720369), (393, 553566), (423, 514306), (453, 480246), (611, 356058), (786, 276783), (846, 257153), (906, 240123), (1179, 184522), (1222, 178029), (1359, 160082), (1703, 127746), (1833, 118686), (1963, 110826), (2358, 92261), (2718, 80041), (3406, 63873), (3666, 59343), (3926, 55413), (5109, 42582), (5499, 39562), (5889, 36942), (6157, 35334), (7097, 30654), (10218, 21291), (10998, 19781), (11778, 18471), (12314, 17667), (14194, 15327)]