257956278356

素因数分解:

$2^2\times 7^2\times {\mathrm{647}}^1\times {\mathrm{1031}}^1\times {\mathrm{1973}}^1$

素因数の和:3669

約数の個数: 72

約数和(自身を含む): 526713860736

約数和(自身を除く): 268757582380

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 647, 1031, 1294, 1973, 2062, 2588, 3946, 4124, 4529, 7217, 7892, 9058, 13811, 14434, 18116, 27622, 28868, 31703, 50519, 55244, 63406, 96677, 101038, 126812, 193354, 202076, 386708, 667057, 1276531, 1334114, 2034163, 2553062, 2668228, 4068326, 4669399, 5106124, 8136652, 8935717, 9338798, 14239141, 17871434, 18677596, 28478282, 32685793, 35742868, 56956564, 62550019, 65371586, 99673987, 125100038, 130743172, 199347974, 250200076, 398695948, 1316103461, 2632206922, 5264413844, 9212724227, 18425448454, 36850896908, 64489069589, 128978139178, 257956278356]

約数ペア:

[(1, 257956278356), (2, 128978139178), (4, 64489069589), (7, 36850896908), (14, 18425448454), (28, 9212724227), (49, 5264413844), (98, 2632206922), (196, 1316103461), (647, 398695948), (1031, 250200076), (1294, 199347974), (1973, 130743172), (2062, 125100038), (2588, 99673987), (3946, 65371586), (4124, 62550019), (4529, 56956564), (7217, 35742868), (7892, 32685793), (9058, 28478282), (13811, 18677596), (14434, 17871434), (18116, 14239141), (27622, 9338798), (28868, 8935717), (31703, 8136652), (50519, 5106124), (55244, 4669399), (63406, 4068326), (96677, 2668228), (101038, 2553062), (126812, 2034163), (193354, 1334114), (202076, 1276531), (386708, 667057)]