40351428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 110766656

約数和(自身を除く): 70415228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 151, 156, 234, 302, 453, 468, 571, 604, 906, 1142, 1359, 1713, 1812, 1963, 2284, 2718, 3426, 3926, 5139, 5436, 5889, 6852, 7423, 7852, 10278, 11778, 14846, 17667, 20556, 22269, 23556, 29692, 35334, 44538, 66807, 70668, 86221, 89076, 133614, 172442, 258663, 267228, 344884, 517326, 775989, 1034652, 1120873, 1551978, 2241746, 3103956, 3362619, 4483492, 6725238, 10087857, 13450476, 20175714, 40351428]

約数ペア:

[(1, 40351428), (2, 20175714), (3, 13450476), (4, 10087857), (6, 6725238), (9, 4483492), (12, 3362619), (13, 3103956), (18, 2241746), (26, 1551978), (36, 1120873), (39, 1034652), (52, 775989), (78, 517326), (117, 344884), (151, 267228), (156, 258663), (234, 172442), (302, 133614), (453, 89076), (468, 86221), (571, 70668), (604, 66807), (906, 44538), (1142, 35334), (1359, 29692), (1713, 23556), (1812, 22269), (1963, 20556), (2284, 17667), (2718, 14846), (3426, 11778), (3926, 10278), (5139, 7852), (5436, 7423), (5889, 6852)]