278141388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:831

約数の個数: 96

約数和(自身を含む): 764219904

約数和(自身を除く): 486078516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 73, 84, 134, 146, 201, 219, 268, 292, 402, 438, 469, 511, 677, 804, 876, 938, 1022, 1354, 1407, 1533, 1876, 2031, 2044, 2708, 2814, 3066, 4062, 4739, 4891, 5628, 6132, 8124, 9478, 9782, 14217, 14673, 18956, 19564, 28434, 29346, 34237, 45359, 49421, 56868, 58692, 68474, 90718, 98842, 102711, 136077, 136948, 148263, 181436, 197684, 205422, 272154, 296526, 317513, 345947, 410844, 544308, 593052, 635026, 691894, 952539, 1037841, 1270052, 1383788, 1905078, 2075682, 3311207, 3810156, 4151364, 6622414, 9933621, 13244828, 19867242, 23178449, 39734484, 46356898, 69535347, 92713796, 139070694, 278141388]

約数ペア:

[(1, 278141388), (2, 139070694), (3, 92713796), (4, 69535347), (6, 46356898), (7, 39734484), (12, 23178449), (14, 19867242), (21, 13244828), (28, 9933621), (42, 6622414), (67, 4151364), (73, 3810156), (84, 3311207), (134, 2075682), (146, 1905078), (201, 1383788), (219, 1270052), (268, 1037841), (292, 952539), (402, 691894), (438, 635026), (469, 593052), (511, 544308), (677, 410844), (804, 345947), (876, 317513), (938, 296526), (1022, 272154), (1354, 205422), (1407, 197684), (1533, 181436), (1876, 148263), (2031, 136948), (2044, 136077), (2708, 102711), (2814, 98842), (3066, 90718), (4062, 68474), (4739, 58692), (4891, 56868), (5628, 49421), (6132, 45359), (8124, 34237), (9478, 29346), (9782, 28434), (14217, 19564), (14673, 18956)]