279432108

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 725437440

約数和(自身を除く): 446005332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 239, 282, 423, 478, 564, 691, 717, 846, 956, 1382, 1434, 1692, 2073, 2151, 2764, 2868, 4146, 4302, 6219, 8292, 8604, 11233, 12438, 22466, 24876, 32477, 33699, 44932, 64954, 67398, 97431, 101097, 129908, 134796, 165149, 194862, 202194, 292293, 330298, 389724, 404388, 495447, 584586, 660596, 990894, 1169172, 1486341, 1981788, 2972682, 5945364, 7762003, 15524006, 23286009, 31048012, 46572018, 69858027, 93144036, 139716054, 279432108]

約数ペア:

[(1, 279432108), (2, 139716054), (3, 93144036), (4, 69858027), (6, 46572018), (9, 31048012), (12, 23286009), (18, 15524006), (36, 7762003), (47, 5945364), (94, 2972682), (141, 1981788), (188, 1486341), (239, 1169172), (282, 990894), (423, 660596), (478, 584586), (564, 495447), (691, 404388), (717, 389724), (846, 330298), (956, 292293), (1382, 202194), (1434, 194862), (1692, 165149), (2073, 134796), (2151, 129908), (2764, 101097), (2868, 97431), (4146, 67398), (4302, 64954), (6219, 44932), (8292, 33699), (8604, 32477), (11233, 24876), (12438, 22466)]