253981364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 572288640

約数和(自身を除く): 318307276

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 529, 598, 644, 1058, 1196, 1319, 2093, 2116, 2638, 3703, 4186, 5276, 6877, 7406, 8372, 9233, 13754, 14812, 17147, 18466, 27508, 30337, 34294, 36932, 48139, 60674, 68588, 96278, 120029, 121348, 192556, 212359, 240058, 394381, 424718, 480116, 697751, 788762, 849436, 1395502, 1577524, 2760667, 2791004, 4884257, 5521334, 9070763, 9768514, 11042668, 18141526, 19537028, 36283052, 63495341, 126990682, 253981364]

約数ペア:

[(1, 253981364), (2, 126990682), (4, 63495341), (7, 36283052), (13, 19537028), (14, 18141526), (23, 11042668), (26, 9768514), (28, 9070763), (46, 5521334), (52, 4884257), (91, 2791004), (92, 2760667), (161, 1577524), (182, 1395502), (299, 849436), (322, 788762), (364, 697751), (529, 480116), (598, 424718), (644, 394381), (1058, 240058), (1196, 212359), (1319, 192556), (2093, 121348), (2116, 120029), (2638, 96278), (3703, 68588), (4186, 60674), (5276, 48139), (6877, 36932), (7406, 34294), (8372, 30337), (9233, 27508), (13754, 18466), (14812, 17147)]