67278715

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 100548000

約数和(自身を除く): 33269285

約数列:

[1, 5, 7, 19, 35, 49, 95, 97, 133, 149, 245, 485, 665, 679, 745, 931, 1043, 1843, 2831, 3395, 4655, 4753, 5215, 7301, 9215, 12901, 14155, 14453, 19817, 23765, 36505, 64505, 72265, 90307, 99085, 101171, 138719, 274607, 451535, 505855, 693595, 708197, 1373035, 1922249, 3540985, 9611245, 13455743, 67278715]

約数ペア:

[(1, 67278715), (5, 13455743), (7, 9611245), (19, 3540985), (35, 1922249), (49, 1373035), (95, 708197), (97, 693595), (133, 505855), (149, 451535), (245, 274607), (485, 138719), (665, 101171), (679, 99085), (745, 90307), (931, 72265), (1043, 64505), (1843, 36505), (2831, 23765), (3395, 19817), (4655, 14453), (4753, 14155), (5215, 12901), (7301, 9215)]