17944945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 24323328

約数和(自身を除く): 6378383

約数列:

[1, 5, 17, 23, 67, 85, 115, 137, 335, 391, 685, 1139, 1541, 1955, 2329, 3151, 5695, 7705, 9179, 11645, 15755, 26197, 45895, 53567, 130985, 156043, 211117, 267835, 780215, 1055585, 3588989, 17944945]

約数ペア:

[(1, 17944945), (5, 3588989), (17, 1055585), (23, 780215), (67, 267835), (85, 211117), (115, 156043), (137, 130985), (335, 53567), (391, 45895), (685, 26197), (1139, 15755), (1541, 11645), (1955, 9179), (2329, 7705), (3151, 5695)]