23975315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 14731885

約数列:

[1, 5, 7, 13, 23, 29, 35, 65, 79, 91, 115, 145, 161, 203, 299, 377, 395, 455, 553, 667, 805, 1015, 1027, 1495, 1817, 1885, 2093, 2291, 2639, 2765, 3335, 4669, 5135, 7189, 8671, 9085, 10465, 11455, 12719, 13195, 16037, 23345, 23621, 29783, 35945, 43355, 52693, 60697, 63595, 80185, 118105, 148915, 165347, 208481, 263465, 303485, 368851, 685009, 826735, 1042405, 1844255, 3425045, 4795063, 23975315]

約数ペア:

[(1, 23975315), (5, 4795063), (7, 3425045), (13, 1844255), (23, 1042405), (29, 826735), (35, 685009), (65, 368851), (79, 303485), (91, 263465), (115, 208481), (145, 165347), (161, 148915), (203, 118105), (299, 80185), (377, 63595), (395, 60697), (455, 52693), (553, 43355), (667, 35945), (805, 29783), (1015, 23621), (1027, 23345), (1495, 16037), (1817, 13195), (1885, 12719), (2093, 11455), (2291, 10465), (2639, 9085), (2765, 8671), (3335, 7189), (4669, 5135)]