278324982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 672672000

約数和(自身を除く): 394347018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 139, 199, 234, 258, 278, 387, 398, 417, 559, 597, 774, 834, 1118, 1194, 1251, 1677, 1791, 1807, 2502, 2587, 3354, 3582, 3614, 5031, 5174, 5421, 5977, 7761, 8557, 10062, 10842, 11954, 15522, 16263, 17114, 17931, 23283, 25671, 27661, 32526, 35862, 46566, 51342, 53793, 55322, 77013, 77701, 82983, 107586, 111241, 154026, 155402, 165966, 222482, 233103, 248949, 333723, 359593, 466206, 497898, 667446, 699309, 719186, 1001169, 1078779, 1189423, 1398618, 2002338, 2157558, 2378846, 3236337, 3568269, 6472674, 7136538, 10704807, 15462499, 21409614, 30924998, 46387497, 92774994, 139162491, 278324982]

約数ペア:

[(1, 278324982), (2, 139162491), (3, 92774994), (6, 46387497), (9, 30924998), (13, 21409614), (18, 15462499), (26, 10704807), (39, 7136538), (43, 6472674), (78, 3568269), (86, 3236337), (117, 2378846), (129, 2157558), (139, 2002338), (199, 1398618), (234, 1189423), (258, 1078779), (278, 1001169), (387, 719186), (398, 699309), (417, 667446), (559, 497898), (597, 466206), (774, 359593), (834, 333723), (1118, 248949), (1194, 233103), (1251, 222482), (1677, 165966), (1791, 155402), (1807, 154026), (2502, 111241), (2587, 107586), (3354, 82983), (3582, 77701), (3614, 77013), (5031, 55322), (5174, 53793), (5421, 51342), (5977, 46566), (7761, 35862), (8557, 32526), (10062, 27661), (10842, 25671), (11954, 23283), (15522, 17931), (16263, 17114)]