289519168

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2115

約数の個数: 56

約数和(自身を含む): 601472000

約数和(自身を除く): 311952832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 146, 248, 292, 496, 584, 992, 1168, 1984, 1999, 2263, 2336, 3998, 4526, 4672, 7996, 9052, 15992, 18104, 31984, 36208, 61969, 63968, 72416, 123938, 127936, 144832, 145927, 247876, 291854, 495752, 583708, 991504, 1167416, 1983008, 2334832, 3966016, 4523737, 4669664, 9047474, 9339328, 18094948, 36189896, 72379792, 144759584, 289519168]

約数ペア:

[(1, 289519168), (2, 144759584), (4, 72379792), (8, 36189896), (16, 18094948), (31, 9339328), (32, 9047474), (62, 4669664), (64, 4523737), (73, 3966016), (124, 2334832), (146, 1983008), (248, 1167416), (292, 991504), (496, 583708), (584, 495752), (992, 291854), (1168, 247876), (1984, 145927), (1999, 144832), (2263, 127936), (2336, 123938), (3998, 72416), (4526, 63968), (4672, 61969), (7996, 36208), (9052, 31984), (15992, 18104)]