217131876

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:526

約数の個数: 108

約数和(自身を含む): 602505540

約数和(自身を除く): 385373664

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 169, 178, 234, 267, 338, 356, 401, 468, 507, 534, 676, 801, 802, 1014, 1068, 1157, 1203, 1521, 1602, 1604, 2028, 2314, 2406, 3042, 3204, 3471, 3609, 4628, 4812, 5213, 6084, 6942, 7218, 10413, 10426, 13884, 14436, 15041, 15639, 20826, 20852, 30082, 31278, 35689, 41652, 45123, 46917, 60164, 62556, 67769, 71378, 90246, 93834, 107067, 135369, 135538, 142756, 180492, 187668, 203307, 214134, 270738, 271076, 321201, 406614, 428268, 463957, 541476, 609921, 642402, 813228, 927914, 1219842, 1284804, 1391871, 1855828, 2439684, 2783742, 4175613, 5567484, 6031441, 8351226, 12062882, 16702452, 18094323, 24125764, 36188646, 54282969, 72377292, 108565938, 217131876]

約数ペア:

[(1, 217131876), (2, 108565938), (3, 72377292), (4, 54282969), (6, 36188646), (9, 24125764), (12, 18094323), (13, 16702452), (18, 12062882), (26, 8351226), (36, 6031441), (39, 5567484), (52, 4175613), (78, 2783742), (89, 2439684), (117, 1855828), (156, 1391871), (169, 1284804), (178, 1219842), (234, 927914), (267, 813228), (338, 642402), (356, 609921), (401, 541476), (468, 463957), (507, 428268), (534, 406614), (676, 321201), (801, 271076), (802, 270738), (1014, 214134), (1068, 203307), (1157, 187668), (1203, 180492), (1521, 142756), (1602, 135538), (1604, 135369), (2028, 107067), (2314, 93834), (2406, 90246), (3042, 71378), (3204, 67769), (3471, 62556), (3609, 60164), (4628, 46917), (4812, 45123), (5213, 41652), (6084, 35689), (6942, 31278), (7218, 30082), (10413, 20852), (10426, 20826), (13884, 15639), (14436, 15041)]