638615744

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 112

約数和(自身を含む): 1459126368

約数和(自身を除く): 820510624

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 163, 208, 221, 272, 277, 326, 416, 442, 544, 554, 652, 832, 884, 1088, 1108, 1304, 1768, 2119, 2216, 2608, 2771, 3536, 3601, 4238, 4432, 4709, 5216, 5542, 7072, 7202, 8476, 8864, 9418, 10432, 11084, 14144, 14404, 16952, 17728, 18836, 22168, 28808, 33904, 36023, 37672, 44336, 45151, 57616, 61217, 67808, 72046, 75344, 88672, 90302, 115232, 122434, 135616, 144092, 150688, 177344, 180604, 230464, 244868, 288184, 301376, 361208, 489736, 576368, 586963, 722416, 767567, 979472, 1152736, 1173926, 1444832, 1535134, 1958944, 2305472, 2347852, 2889664, 3070268, 3917888, 4695704, 6140536, 9391408, 9978371, 12281072, 18782816, 19956742, 24562144, 37565632, 39913484, 49124288, 79826968, 159653936, 319307872, 638615744]

約数ペア:

[(1, 638615744), (2, 319307872), (4, 159653936), (8, 79826968), (13, 49124288), (16, 39913484), (17, 37565632), (26, 24562144), (32, 19956742), (34, 18782816), (52, 12281072), (64, 9978371), (68, 9391408), (104, 6140536), (136, 4695704), (163, 3917888), (208, 3070268), (221, 2889664), (272, 2347852), (277, 2305472), (326, 1958944), (416, 1535134), (442, 1444832), (544, 1173926), (554, 1152736), (652, 979472), (832, 767567), (884, 722416), (1088, 586963), (1108, 576368), (1304, 489736), (1768, 361208), (2119, 301376), (2216, 288184), (2608, 244868), (2771, 230464), (3536, 180604), (3601, 177344), (4238, 150688), (4432, 144092), (4709, 135616), (5216, 122434), (5542, 115232), (7072, 90302), (7202, 88672), (8476, 75344), (8864, 72046), (9418, 67808), (10432, 61217), (11084, 57616), (14144, 45151), (14404, 44336), (16952, 37672), (17728, 36023), (18836, 33904), (22168, 28808)]