287373228

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2\times {\mathrm{293}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 706025712

約数和(自身を除く): 418652484

約数列:

[1, 2, 3, 4, 6, 12, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 293, 444, 564, 586, 879, 1172, 1739, 1758, 2209, 3478, 3516, 4418, 5217, 6627, 6956, 8836, 10434, 10841, 13254, 13771, 20868, 21682, 26508, 27542, 32523, 41313, 43364, 55084, 65046, 81733, 82626, 130092, 163466, 165252, 245199, 326932, 490398, 509527, 647237, 980796, 1019054, 1294474, 1528581, 1941711, 2038108, 2588948, 3057162, 3883422, 6114324, 7766844, 23947769, 47895538, 71843307, 95791076, 143686614, 287373228]

約数ペア:

[(1, 287373228), (2, 143686614), (3, 95791076), (4, 71843307), (6, 47895538), (12, 23947769), (37, 7766844), (47, 6114324), (74, 3883422), (94, 3057162), (111, 2588948), (141, 2038108), (148, 1941711), (188, 1528581), (222, 1294474), (282, 1019054), (293, 980796), (444, 647237), (564, 509527), (586, 490398), (879, 326932), (1172, 245199), (1739, 165252), (1758, 163466), (2209, 130092), (3478, 82626), (3516, 81733), (4418, 65046), (5217, 55084), (6627, 43364), (6956, 41313), (8836, 32523), (10434, 27542), (10841, 26508), (13254, 21682), (13771, 20868)]