257271404546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{56009}}^1$

素因数の和:56235

約数の個数: 64

約数和(自身を含む): 442631347200

約数和(自身を除く): 185359942654

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 139, 278, 403, 533, 806, 1066, 1271, 1807, 2542, 3614, 4309, 5699, 8618, 11398, 16523, 33046, 56009, 56017, 74087, 112018, 112034, 148174, 176669, 353338, 728117, 1456234, 1736279, 2296369, 2296697, 3472558, 4592738, 4593394, 7785251, 15570502, 22571627, 29852797, 45143254, 59705594, 71187439, 101208263, 142374878, 202416526, 241342781, 319195291, 482685562, 638390582, 925436707, 1850873414, 3137456153, 4149538783, 6274912306, 8299077566, 9895054021, 19790108042, 128635702273, 257271404546]

約数ペア:

[(1, 257271404546), (2, 128635702273), (13, 19790108042), (26, 9895054021), (31, 8299077566), (41, 6274912306), (62, 4149538783), (82, 3137456153), (139, 1850873414), (278, 925436707), (403, 638390582), (533, 482685562), (806, 319195291), (1066, 241342781), (1271, 202416526), (1807, 142374878), (2542, 101208263), (3614, 71187439), (4309, 59705594), (5699, 45143254), (8618, 29852797), (11398, 22571627), (16523, 15570502), (33046, 7785251), (56009, 4593394), (56017, 4592738), (74087, 3472558), (112018, 2296697), (112034, 2296369), (148174, 1736279), (176669, 1456234), (353338, 728117)]