81029585

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 130178880

約数和(自身を除く): 49149295

約数列:

[1, 5, 7, 13, 19, 35, 49, 65, 91, 95, 103, 133, 169, 245, 247, 455, 515, 637, 665, 721, 845, 931, 1183, 1235, 1339, 1729, 1957, 3185, 3211, 3605, 4655, 5047, 5915, 6695, 8281, 8645, 9373, 9785, 12103, 13699, 16055, 17407, 22477, 25235, 25441, 41405, 46865, 60515, 65611, 68495, 87035, 95893, 112385, 121849, 127205, 157339, 178087, 328055, 330733, 479465, 609245, 786695, 852943, 890435, 1246609, 1653665, 2315131, 4264715, 6233045, 11575655, 16205917, 81029585]

約数ペア:

[(1, 81029585), (5, 16205917), (7, 11575655), (13, 6233045), (19, 4264715), (35, 2315131), (49, 1653665), (65, 1246609), (91, 890435), (95, 852943), (103, 786695), (133, 609245), (169, 479465), (245, 330733), (247, 328055), (455, 178087), (515, 157339), (637, 127205), (665, 121849), (721, 112385), (845, 95893), (931, 87035), (1183, 68495), (1235, 65611), (1339, 60515), (1729, 46865), (1957, 41405), (3185, 25441), (3211, 25235), (3605, 22477), (4655, 17407), (5047, 16055), (5915, 13699), (6695, 12103), (8281, 9785), (8645, 9373)]