51428128

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 110475792

約数和(自身を除く): 59047664

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 67, 68, 83, 134, 136, 166, 268, 272, 289, 332, 536, 544, 578, 664, 1072, 1139, 1156, 1328, 1411, 2144, 2278, 2312, 2656, 2822, 4556, 4624, 5561, 5644, 9112, 9248, 11122, 11288, 18224, 19363, 22244, 22576, 23987, 36448, 38726, 44488, 45152, 47974, 77452, 88976, 94537, 95948, 154904, 177952, 189074, 191896, 309808, 378148, 383792, 619616, 756296, 767584, 1512592, 1607129, 3025184, 3214258, 6428516, 12857032, 25714064, 51428128]

約数ペア:

[(1, 51428128), (2, 25714064), (4, 12857032), (8, 6428516), (16, 3214258), (17, 3025184), (32, 1607129), (34, 1512592), (67, 767584), (68, 756296), (83, 619616), (134, 383792), (136, 378148), (166, 309808), (268, 191896), (272, 189074), (289, 177952), (332, 154904), (536, 95948), (544, 94537), (578, 88976), (664, 77452), (1072, 47974), (1139, 45152), (1156, 44488), (1328, 38726), (1411, 36448), (2144, 23987), (2278, 22576), (2312, 22244), (2656, 19363), (2822, 18224), (4556, 11288), (4624, 11122), (5561, 9248), (5644, 9112)]