207421812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 108

約数和(自身を含む): 574994784

約数和(自身を除く): 367572972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 169, 206, 234, 309, 331, 338, 412, 468, 507, 618, 662, 676, 927, 993, 1014, 1236, 1324, 1339, 1521, 1854, 1986, 2028, 2678, 2979, 3042, 3708, 3972, 4017, 4303, 5356, 5958, 6084, 8034, 8606, 11916, 12051, 12909, 16068, 17212, 17407, 24102, 25818, 34093, 34814, 38727, 48204, 51636, 52221, 55939, 68186, 69628, 77454, 102279, 104442, 111878, 136372, 154908, 156663, 167817, 204558, 208884, 223756, 306837, 313326, 335634, 409116, 443209, 503451, 613674, 626652, 671268, 886418, 1006902, 1227348, 1329627, 1772836, 2013804, 2659254, 3988881, 5318508, 5761717, 7977762, 11523434, 15955524, 17285151, 23046868, 34570302, 51855453, 69140604, 103710906, 207421812]

約数ペア:

[(1, 207421812), (2, 103710906), (3, 69140604), (4, 51855453), (6, 34570302), (9, 23046868), (12, 17285151), (13, 15955524), (18, 11523434), (26, 7977762), (36, 5761717), (39, 5318508), (52, 3988881), (78, 2659254), (103, 2013804), (117, 1772836), (156, 1329627), (169, 1227348), (206, 1006902), (234, 886418), (309, 671268), (331, 626652), (338, 613674), (412, 503451), (468, 443209), (507, 409116), (618, 335634), (662, 313326), (676, 306837), (927, 223756), (993, 208884), (1014, 204558), (1236, 167817), (1324, 156663), (1339, 154908), (1521, 136372), (1854, 111878), (1986, 104442), (2028, 102279), (2678, 77454), (2979, 69628), (3042, 68186), (3708, 55939), (3972, 52221), (4017, 51636), (4303, 48204), (5356, 38727), (5958, 34814), (6084, 34093), (8034, 25818), (8606, 24102), (11916, 17407), (12051, 17212), (12909, 16068)]