13301990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 27511488

約数和(自身を除く): 14209498

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 463, 845, 926, 1105, 1690, 2210, 2315, 2873, 4630, 5746, 6019, 7871, 12038, 14365, 15742, 28730, 30095, 39355, 60190, 78247, 78710, 102323, 156494, 204646, 391235, 511615, 782470, 1023230, 1330199, 2660398, 6650995, 13301990]

約数ペア:

[(1, 13301990), (2, 6650995), (5, 2660398), (10, 1330199), (13, 1023230), (17, 782470), (26, 511615), (34, 391235), (65, 204646), (85, 156494), (130, 102323), (169, 78710), (170, 78247), (221, 60190), (338, 39355), (442, 30095), (463, 28730), (845, 15742), (926, 14365), (1105, 12038), (1690, 7871), (2210, 6019), (2315, 5746), (2873, 4630)]