220570428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{3457}}^1$

素因数の和:3886

約数の個数: 48

約数和(自身を含む): 555769760

約数和(自身を除く): 335199332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 409, 818, 1227, 1636, 2454, 3457, 4908, 5317, 6914, 10371, 10634, 13828, 15951, 20742, 21268, 31902, 41484, 44941, 63804, 89882, 134823, 179764, 269646, 539292, 1413913, 2827826, 4241739, 5655652, 8483478, 16966956, 18380869, 36761738, 55142607, 73523476, 110285214, 220570428]

約数ペア:

[(1, 220570428), (2, 110285214), (3, 73523476), (4, 55142607), (6, 36761738), (12, 18380869), (13, 16966956), (26, 8483478), (39, 5655652), (52, 4241739), (78, 2827826), (156, 1413913), (409, 539292), (818, 269646), (1227, 179764), (1636, 134823), (2454, 89882), (3457, 63804), (4908, 44941), (5317, 41484), (6914, 31902), (10371, 21268), (10634, 20742), (13828, 15951)]