51211992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 148780800

約数和(自身を除く): 97568808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 53, 57, 76, 78, 104, 106, 114, 152, 156, 159, 163, 212, 228, 247, 312, 318, 326, 424, 456, 489, 494, 636, 652, 689, 741, 978, 988, 1007, 1272, 1304, 1378, 1482, 1956, 1976, 2014, 2067, 2119, 2756, 2964, 3021, 3097, 3912, 4028, 4134, 4238, 5512, 5928, 6042, 6194, 6357, 8056, 8268, 8476, 8639, 9291, 12084, 12388, 12714, 13091, 16536, 16952, 17278, 18582, 24168, 24776, 25428, 25917, 26182, 34556, 37164, 39273, 40261, 50856, 51834, 52364, 69112, 74328, 78546, 80522, 103668, 104728, 112307, 120783, 157092, 161044, 164141, 207336, 224614, 241566, 314184, 322088, 328282, 336921, 449228, 483132, 492423, 656564, 673842, 898456, 966264, 984846, 1313128, 1347684, 1969692, 2133833, 2695368, 3939384, 4267666, 6401499, 8535332, 12802998, 17070664, 25605996, 51211992]

約数ペア:

[(1, 51211992), (2, 25605996), (3, 17070664), (4, 12802998), (6, 8535332), (8, 6401499), (12, 4267666), (13, 3939384), (19, 2695368), (24, 2133833), (26, 1969692), (38, 1347684), (39, 1313128), (52, 984846), (53, 966264), (57, 898456), (76, 673842), (78, 656564), (104, 492423), (106, 483132), (114, 449228), (152, 336921), (156, 328282), (159, 322088), (163, 314184), (212, 241566), (228, 224614), (247, 207336), (312, 164141), (318, 161044), (326, 157092), (424, 120783), (456, 112307), (489, 104728), (494, 103668), (636, 80522), (652, 78546), (689, 74328), (741, 69112), (978, 52364), (988, 51834), (1007, 50856), (1272, 40261), (1304, 39273), (1378, 37164), (1482, 34556), (1956, 26182), (1976, 25917), (2014, 25428), (2067, 24776), (2119, 24168), (2756, 18582), (2964, 17278), (3021, 16952), (3097, 16536), (3912, 13091), (4028, 12714), (4134, 12388), (4238, 12084), (5512, 9291), (5928, 8639), (6042, 8476), (6194, 8268), (6357, 8056)]