128114816

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 267321600

約数和(自身を除く): 139206784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 332, 389, 496, 664, 778, 992, 1328, 1556, 1984, 2573, 2656, 3112, 3968, 5146, 5312, 6224, 10292, 10624, 12059, 12448, 20584, 24118, 24896, 32287, 41168, 48236, 49792, 64574, 82336, 96472, 129148, 164672, 192944, 258296, 329344, 385888, 516592, 771776, 1000897, 1033184, 1543552, 2001794, 2066368, 4003588, 4132736, 8007176, 16014352, 32028704, 64057408, 128114816]

約数ペア:

[(1, 128114816), (2, 64057408), (4, 32028704), (8, 16014352), (16, 8007176), (31, 4132736), (32, 4003588), (62, 2066368), (64, 2001794), (83, 1543552), (124, 1033184), (128, 1000897), (166, 771776), (248, 516592), (332, 385888), (389, 329344), (496, 258296), (664, 192944), (778, 164672), (992, 129148), (1328, 96472), (1556, 82336), (1984, 64574), (2573, 49792), (2656, 48236), (3112, 41168), (3968, 32287), (5146, 24896), (5312, 24118), (6224, 20584), (10292, 12448), (10624, 12059)]