128457684

素因数分解:

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

素因数の和:394

約数の個数: 96

約数和(自身を含む): 344960000

約数和(自身を除く): 216502316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 139, 172, 199, 258, 278, 387, 398, 417, 516, 556, 597, 774, 796, 834, 1161, 1194, 1251, 1548, 1668, 1791, 2322, 2388, 2502, 3582, 3753, 4644, 5004, 5373, 5977, 7164, 7506, 8557, 10746, 11954, 15012, 17114, 17931, 21492, 23908, 25671, 27661, 34228, 35862, 51342, 53793, 55322, 71724, 77013, 82983, 102684, 107586, 110644, 154026, 161379, 165966, 215172, 231039, 248949, 308052, 322758, 331932, 462078, 497898, 645516, 746847, 924156, 995796, 1189423, 1493694, 2378846, 2987388, 3568269, 4757692, 7136538, 10704807, 14273076, 21409614, 32114421, 42819228, 64228842, 128457684]

約数ペア:

[(1, 128457684), (2, 64228842), (3, 42819228), (4, 32114421), (6, 21409614), (9, 14273076), (12, 10704807), (18, 7136538), (27, 4757692), (36, 3568269), (43, 2987388), (54, 2378846), (86, 1493694), (108, 1189423), (129, 995796), (139, 924156), (172, 746847), (199, 645516), (258, 497898), (278, 462078), (387, 331932), (398, 322758), (417, 308052), (516, 248949), (556, 231039), (597, 215172), (774, 165966), (796, 161379), (834, 154026), (1161, 110644), (1194, 107586), (1251, 102684), (1548, 82983), (1668, 77013), (1791, 71724), (2322, 55322), (2388, 53793), (2502, 51342), (3582, 35862), (3753, 34228), (4644, 27661), (5004, 25671), (5373, 23908), (5977, 21492), (7164, 17931), (7506, 17114), (8557, 15012), (10746, 11954)]