313487872

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{19751}}^1$

素因数の和:19800

約数の個数: 40

約数和(自身を含む): 646601472

約数和(自身を除く): 333113600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 19751, 39502, 79004, 158008, 316016, 612281, 632032, 1224562, 1264064, 2449124, 2528128, 4898248, 5056256, 9796496, 10112512, 19592992, 39185984, 78371968, 156743936, 313487872]

約数ペア:

[(1, 313487872), (2, 156743936), (4, 78371968), (8, 39185984), (16, 19592992), (31, 10112512), (32, 9796496), (62, 5056256), (64, 4898248), (124, 2528128), (128, 2449124), (248, 1264064), (256, 1224562), (496, 632032), (512, 612281), (992, 316016), (1984, 158008), (3968, 79004), (7936, 39502), (15872, 19751)]