81223428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 108

約数和(自身を含む): 226255344

約数和(自身を除く): 145031916

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 169, 242, 286, 331, 338, 363, 429, 484, 507, 572, 662, 676, 726, 858, 993, 1014, 1324, 1452, 1573, 1716, 1859, 1986, 2028, 3146, 3641, 3718, 3972, 4303, 4719, 5577, 6292, 7282, 7436, 8606, 9438, 10923, 11154, 12909, 14564, 17212, 18876, 20449, 21846, 22308, 25818, 40051, 40898, 43692, 47333, 51636, 55939, 61347, 80102, 81796, 94666, 111878, 120153, 122694, 141999, 160204, 167817, 189332, 223756, 240306, 245388, 283998, 335634, 480612, 520663, 567996, 615329, 671268, 1041326, 1230658, 1561989, 1845987, 2082652, 2461316, 3123978, 3691974, 6247956, 6768619, 7383948, 13537238, 20305857, 27074476, 40611714, 81223428]

約数ペア:

[(1, 81223428), (2, 40611714), (3, 27074476), (4, 20305857), (6, 13537238), (11, 7383948), (12, 6768619), (13, 6247956), (22, 3691974), (26, 3123978), (33, 2461316), (39, 2082652), (44, 1845987), (52, 1561989), (66, 1230658), (78, 1041326), (121, 671268), (132, 615329), (143, 567996), (156, 520663), (169, 480612), (242, 335634), (286, 283998), (331, 245388), (338, 240306), (363, 223756), (429, 189332), (484, 167817), (507, 160204), (572, 141999), (662, 122694), (676, 120153), (726, 111878), (858, 94666), (993, 81796), (1014, 80102), (1324, 61347), (1452, 55939), (1573, 51636), (1716, 47333), (1859, 43692), (1986, 40898), (2028, 40051), (3146, 25818), (3641, 22308), (3718, 21846), (3972, 20449), (4303, 18876), (4719, 17212), (5577, 14564), (6292, 12909), (7282, 11154), (7436, 10923), (8606, 9438)]