78684725

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 118063872

約数和(自身を除く): 39379147

約数列:

[1, 5, 7, 23, 25, 35, 113, 115, 161, 173, 175, 565, 575, 791, 805, 865, 1211, 2599, 2825, 3955, 3979, 4025, 4325, 6055, 12995, 18193, 19549, 19775, 19895, 27853, 30275, 64975, 90965, 97745, 99475, 136843, 139265, 449627, 454825, 488725, 684215, 696325, 2248135, 3147389, 3421075, 11240675, 15736945, 78684725]

約数ペア:

[(1, 78684725), (5, 15736945), (7, 11240675), (23, 3421075), (25, 3147389), (35, 2248135), (113, 696325), (115, 684215), (161, 488725), (173, 454825), (175, 449627), (565, 139265), (575, 136843), (791, 99475), (805, 97745), (865, 90965), (1211, 64975), (2599, 30275), (2825, 27853), (3955, 19895), (3979, 19775), (4025, 19549), (4325, 18193), (6055, 12995)]