28278396

素因数分解:

$2^2\times 3^5\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 75828480

約数和(自身を除く): 47550084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 243, 282, 324, 423, 486, 564, 619, 846, 972, 1238, 1269, 1692, 1857, 2476, 2538, 3714, 3807, 5076, 5571, 7428, 7614, 11142, 11421, 15228, 16713, 22284, 22842, 29093, 33426, 45684, 50139, 58186, 66852, 87279, 100278, 116372, 150417, 174558, 200556, 261837, 300834, 349116, 523674, 601668, 785511, 1047348, 1571022, 2356533, 3142044, 4713066, 7069599, 9426132, 14139198, 28278396]

約数ペア:

[(1, 28278396), (2, 14139198), (3, 9426132), (4, 7069599), (6, 4713066), (9, 3142044), (12, 2356533), (18, 1571022), (27, 1047348), (36, 785511), (47, 601668), (54, 523674), (81, 349116), (94, 300834), (108, 261837), (141, 200556), (162, 174558), (188, 150417), (243, 116372), (282, 100278), (324, 87279), (423, 66852), (486, 58186), (564, 50139), (619, 45684), (846, 33426), (972, 29093), (1238, 22842), (1269, 22284), (1692, 16713), (1857, 15228), (2476, 11421), (2538, 11142), (3714, 7614), (3807, 7428), (5076, 5571)]