389949372

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4423}}^1$

素因数の和:4543

約数の個数: 72

約数和(自身を含む): 1030615040

約数和(自身を除く): 640665668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 948, 1116, 1422, 2449, 2844, 4423, 4898, 7347, 8846, 9796, 13269, 14694, 17692, 22041, 26538, 29388, 39807, 44082, 53076, 79614, 88164, 137113, 159228, 274226, 349417, 411339, 548452, 698834, 822678, 1048251, 1234017, 1397668, 1645356, 2096502, 2468034, 3144753, 4193004, 4936068, 6289506, 10831927, 12579012, 21663854, 32495781, 43327708, 64991562, 97487343, 129983124, 194974686, 389949372]

約数ペア:

[(1, 389949372), (2, 194974686), (3, 129983124), (4, 97487343), (6, 64991562), (9, 43327708), (12, 32495781), (18, 21663854), (31, 12579012), (36, 10831927), (62, 6289506), (79, 4936068), (93, 4193004), (124, 3144753), (158, 2468034), (186, 2096502), (237, 1645356), (279, 1397668), (316, 1234017), (372, 1048251), (474, 822678), (558, 698834), (711, 548452), (948, 411339), (1116, 349417), (1422, 274226), (2449, 159228), (2844, 137113), (4423, 88164), (4898, 79614), (7347, 53076), (8846, 44082), (9796, 39807), (13269, 29388), (14694, 26538), (17692, 22041)]