260341718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 497871360

約数和(自身を除く): 237529642

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 139, 182, 251, 278, 287, 502, 533, 574, 973, 1066, 1757, 1807, 1946, 3263, 3514, 3614, 3731, 5699, 6526, 7462, 10291, 11398, 12649, 20582, 22841, 25298, 34889, 39893, 45682, 69778, 72037, 74087, 79786, 133783, 144074, 148174, 244223, 267566, 453557, 488446, 518609, 907114, 936481, 1037218, 1430449, 1872962, 2860898, 3174899, 6349798, 10013143, 18595837, 20026286, 37191674, 130170859, 260341718]

約数ペア:

[(1, 260341718), (2, 130170859), (7, 37191674), (13, 20026286), (14, 18595837), (26, 10013143), (41, 6349798), (82, 3174899), (91, 2860898), (139, 1872962), (182, 1430449), (251, 1037218), (278, 936481), (287, 907114), (502, 518609), (533, 488446), (574, 453557), (973, 267566), (1066, 244223), (1757, 148174), (1807, 144074), (1946, 133783), (3263, 79786), (3514, 74087), (3614, 72037), (3731, 69778), (5699, 45682), (6526, 39893), (7462, 34889), (10291, 25298), (11398, 22841), (12649, 20582)]