128502016

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 279619200

約数和(自身を除く): 151117184

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 256, 304, 464, 551, 608, 911, 928, 1102, 1216, 1822, 1856, 2204, 2432, 3644, 3712, 4408, 4864, 7288, 7424, 8816, 14576, 17309, 17632, 26419, 29152, 34618, 35264, 52838, 58304, 69236, 70528, 105676, 116608, 138472, 141056, 211352, 233216, 276944, 422704, 501961, 553888, 845408, 1003922, 1107776, 1690816, 2007844, 2215552, 3381632, 4015688, 4431104, 6763264, 8031376, 16062752, 32125504, 64251008, 128502016]

約数ペア:

[(1, 128502016), (2, 64251008), (4, 32125504), (8, 16062752), (16, 8031376), (19, 6763264), (29, 4431104), (32, 4015688), (38, 3381632), (58, 2215552), (64, 2007844), (76, 1690816), (116, 1107776), (128, 1003922), (152, 845408), (232, 553888), (256, 501961), (304, 422704), (464, 276944), (551, 233216), (608, 211352), (911, 141056), (928, 138472), (1102, 116608), (1216, 105676), (1822, 70528), (1856, 69236), (2204, 58304), (2432, 52838), (3644, 35264), (3712, 34618), (4408, 29152), (4864, 26419), (7288, 17632), (7424, 17309), (8816, 14576)]