128642696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2129}}^1$

素因数の和:2238

約数の個数: 64

約数和(自身を含む): 300585600

約数和(自身を除く): 171942904

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 332, 364, 581, 664, 728, 1079, 1162, 2129, 2158, 2324, 4258, 4316, 4648, 7553, 8516, 8632, 14903, 15106, 17032, 27677, 29806, 30212, 55354, 59612, 60424, 110708, 119224, 176707, 193739, 221416, 353414, 387478, 706828, 774956, 1236949, 1413656, 1549912, 2297191, 2473898, 4594382, 4947796, 9188764, 9895592, 16080337, 18377528, 32160674, 64321348, 128642696]

約数ペア:

[(1, 128642696), (2, 64321348), (4, 32160674), (7, 18377528), (8, 16080337), (13, 9895592), (14, 9188764), (26, 4947796), (28, 4594382), (52, 2473898), (56, 2297191), (83, 1549912), (91, 1413656), (104, 1236949), (166, 774956), (182, 706828), (332, 387478), (364, 353414), (581, 221416), (664, 193739), (728, 176707), (1079, 119224), (1162, 110708), (2129, 60424), (2158, 59612), (2324, 55354), (4258, 30212), (4316, 29806), (4648, 27677), (7553, 17032), (8516, 15106), (8632, 14903)]