664795744

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 1451520000

約数和(自身を除く): 786724256

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 79, 124, 136, 158, 248, 272, 316, 496, 499, 527, 544, 632, 992, 998, 1054, 1264, 1343, 1996, 2108, 2449, 2528, 2686, 3992, 4216, 4898, 5372, 7984, 8432, 8483, 9796, 10744, 15469, 15968, 16864, 16966, 19592, 21488, 30938, 33932, 39184, 39421, 41633, 42976, 61876, 67864, 78368, 78842, 83266, 123752, 135728, 157684, 166532, 247504, 262973, 271456, 315368, 333064, 495008, 525946, 630736, 666128, 670157, 1051892, 1222051, 1261472, 1332256, 1340314, 2103784, 2444102, 2680628, 4207568, 4888204, 5361256, 8415136, 9776408, 10722512, 19552816, 20774867, 21445024, 39105632, 41549734, 83099468, 166198936, 332397872, 664795744]

約数ペア:

[(1, 664795744), (2, 332397872), (4, 166198936), (8, 83099468), (16, 41549734), (17, 39105632), (31, 21445024), (32, 20774867), (34, 19552816), (62, 10722512), (68, 9776408), (79, 8415136), (124, 5361256), (136, 4888204), (158, 4207568), (248, 2680628), (272, 2444102), (316, 2103784), (496, 1340314), (499, 1332256), (527, 1261472), (544, 1222051), (632, 1051892), (992, 670157), (998, 666128), (1054, 630736), (1264, 525946), (1343, 495008), (1996, 333064), (2108, 315368), (2449, 271456), (2528, 262973), (2686, 247504), (3992, 166532), (4216, 157684), (4898, 135728), (5372, 123752), (7984, 83266), (8432, 78842), (8483, 78368), (9796, 67864), (10744, 61876), (15469, 42976), (15968, 41633), (16864, 39421), (16966, 39184), (19592, 33932), (21488, 30938)]