155961715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2699}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 232243200

約数和(自身を除く): 76281485

約数列:

[1, 5, 7, 13, 35, 65, 91, 127, 455, 635, 889, 1651, 2699, 4445, 8255, 11557, 13495, 18893, 35087, 57785, 94465, 175435, 245609, 342773, 1228045, 1713865, 2399411, 4456049, 11997055, 22280245, 31192343, 155961715]

約数ペア:

[(1, 155961715), (5, 31192343), (7, 22280245), (13, 11997055), (35, 4456049), (65, 2399411), (91, 1713865), (127, 1228045), (455, 342773), (635, 245609), (889, 175435), (1651, 94465), (2699, 57785), (4445, 35087), (8255, 18893), (11557, 13495)]