51414545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 84188160

約数和(自身を除く): 32773615

約数列:

[1, 5, 7, 13, 17, 23, 35, 65, 85, 91, 115, 119, 161, 221, 289, 299, 391, 455, 595, 805, 1105, 1445, 1495, 1547, 1955, 2023, 2093, 2737, 3757, 4913, 5083, 6647, 7735, 10115, 10465, 13685, 18785, 24565, 25415, 26299, 33235, 34391, 35581, 46529, 63869, 86411, 112999, 131495, 171955, 177905, 232645, 319345, 432055, 447083, 564995, 604877, 790993, 1468987, 2235415, 3024385, 3954965, 7344935, 10282909, 51414545]

約数ペア:

[(1, 51414545), (5, 10282909), (7, 7344935), (13, 3954965), (17, 3024385), (23, 2235415), (35, 1468987), (65, 790993), (85, 604877), (91, 564995), (115, 447083), (119, 432055), (161, 319345), (221, 232645), (289, 177905), (299, 171955), (391, 131495), (455, 112999), (595, 86411), (805, 63869), (1105, 46529), (1445, 35581), (1495, 34391), (1547, 33235), (1955, 26299), (2023, 25415), (2093, 24565), (2737, 18785), (3757, 13685), (4913, 10465), (5083, 10115), (6647, 7735)]