71989242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 161118720

約数和(自身を除く): 89129478

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 73, 78, 94, 141, 146, 219, 269, 282, 438, 538, 611, 807, 949, 1222, 1614, 1833, 1898, 2847, 3431, 3497, 3666, 5694, 6862, 6994, 10293, 10491, 12643, 19637, 20586, 20982, 25286, 37929, 39274, 44603, 58911, 75858, 89206, 117822, 133809, 164359, 255281, 267618, 328718, 493077, 510562, 765843, 922939, 986154, 1531686, 1845878, 2768817, 5537634, 11998207, 23996414, 35994621, 71989242]

約数ペア:

[(1, 71989242), (2, 35994621), (3, 23996414), (6, 11998207), (13, 5537634), (26, 2768817), (39, 1845878), (47, 1531686), (73, 986154), (78, 922939), (94, 765843), (141, 510562), (146, 493077), (219, 328718), (269, 267618), (282, 255281), (438, 164359), (538, 133809), (611, 117822), (807, 89206), (949, 75858), (1222, 58911), (1614, 44603), (1833, 39274), (1898, 37929), (2847, 25286), (3431, 20982), (3497, 20586), (3666, 19637), (5694, 12643), (6862, 10491), (6994, 10293)]