71181890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 79776190

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 1039, 1054, 1105, 2015, 2078, 2210, 2635, 4030, 5195, 5270, 6851, 10390, 13507, 13702, 17663, 27014, 32209, 34255, 35326, 64418, 67535, 68510, 88315, 135070, 161045, 176630, 229619, 322090, 418717, 459238, 547553, 837434, 1095106, 1148095, 2093585, 2296190, 2737765, 4187170, 5475530, 7118189, 14236378, 35590945, 71181890]

約数ペア:

[(1, 71181890), (2, 35590945), (5, 14236378), (10, 7118189), (13, 5475530), (17, 4187170), (26, 2737765), (31, 2296190), (34, 2093585), (62, 1148095), (65, 1095106), (85, 837434), (130, 547553), (155, 459238), (170, 418717), (221, 322090), (310, 229619), (403, 176630), (442, 161045), (527, 135070), (806, 88315), (1039, 68510), (1054, 67535), (1105, 64418), (2015, 35326), (2078, 34255), (2210, 32209), (2635, 27014), (4030, 17663), (5195, 13702), (5270, 13507), (6851, 10390)]