31290012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 108

約数和(自身を含む): 88593960

約数和(自身を除く): 57303948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 139, 148, 156, 169, 222, 234, 278, 333, 338, 417, 444, 468, 481, 507, 556, 666, 676, 834, 962, 1014, 1251, 1332, 1443, 1521, 1668, 1807, 1924, 2028, 2502, 2886, 3042, 3614, 4329, 5004, 5143, 5421, 5772, 6084, 6253, 7228, 8658, 10286, 10842, 12506, 15429, 16263, 17316, 18759, 20572, 21684, 23491, 25012, 30858, 32526, 37518, 46287, 46982, 56277, 61716, 65052, 66859, 70473, 75036, 92574, 93964, 112554, 133718, 140946, 185148, 200577, 211419, 225108, 267436, 281892, 401154, 422838, 601731, 802308, 845676, 869167, 1203462, 1738334, 2406924, 2607501, 3476668, 5215002, 7822503, 10430004, 15645006, 31290012]

約数ペア:

[(1, 31290012), (2, 15645006), (3, 10430004), (4, 7822503), (6, 5215002), (9, 3476668), (12, 2607501), (13, 2406924), (18, 1738334), (26, 1203462), (36, 869167), (37, 845676), (39, 802308), (52, 601731), (74, 422838), (78, 401154), (111, 281892), (117, 267436), (139, 225108), (148, 211419), (156, 200577), (169, 185148), (222, 140946), (234, 133718), (278, 112554), (333, 93964), (338, 92574), (417, 75036), (444, 70473), (468, 66859), (481, 65052), (507, 61716), (556, 56277), (666, 46982), (676, 46287), (834, 37518), (962, 32526), (1014, 30858), (1251, 25012), (1332, 23491), (1443, 21684), (1521, 20572), (1668, 18759), (1807, 17316), (1924, 16263), (2028, 15429), (2502, 12506), (2886, 10842), (3042, 10286), (3614, 8658), (4329, 7228), (5004, 6253), (5143, 6084), (5421, 5772)]