164018985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 298991616

約数和(自身を除く): 134972631

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 65, 93, 129, 155, 195, 215, 403, 465, 559, 631, 645, 1209, 1333, 1677, 1893, 2015, 2795, 3155, 3999, 6045, 6665, 8203, 8385, 9465, 17329, 19561, 19995, 24609, 27133, 41015, 51987, 58683, 81399, 86645, 97805, 123045, 135665, 254293, 259935, 293415, 352729, 406995, 762879, 841123, 1058187, 1271465, 1763645, 2523369, 3814395, 4205615, 5290935, 10934599, 12616845, 32803797, 54672995, 164018985]

約数ペア:

[(1, 164018985), (3, 54672995), (5, 32803797), (13, 12616845), (15, 10934599), (31, 5290935), (39, 4205615), (43, 3814395), (65, 2523369), (93, 1763645), (129, 1271465), (155, 1058187), (195, 841123), (215, 762879), (403, 406995), (465, 352729), (559, 293415), (631, 259935), (645, 254293), (1209, 135665), (1333, 123045), (1677, 97805), (1893, 86645), (2015, 81399), (2795, 58683), (3155, 51987), (3999, 41015), (6045, 27133), (6665, 24609), (8203, 19995), (8385, 19561), (9465, 17329)]