780448564

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 1578766336

約数和(自身を除く): 798317772

約数列:

[1, 2, 4, 7, 14, 28, 163, 271, 326, 542, 631, 652, 1084, 1141, 1262, 1897, 2282, 2524, 3794, 4417, 4564, 7588, 8834, 17668, 44173, 88346, 102853, 171001, 176692, 205706, 309211, 342002, 411412, 618422, 684004, 719971, 1197007, 1236844, 1439942, 2394014, 2879884, 4788028, 27873163, 55746326, 111492652, 195112141, 390224282, 780448564]

約数ペア:

[(1, 780448564), (2, 390224282), (4, 195112141), (7, 111492652), (14, 55746326), (28, 27873163), (163, 4788028), (271, 2879884), (326, 2394014), (542, 1439942), (631, 1236844), (652, 1197007), (1084, 719971), (1141, 684004), (1262, 618422), (1897, 411412), (2282, 342002), (2524, 309211), (3794, 205706), (4417, 176692), (4564, 171001), (7588, 102853), (8834, 88346), (17668, 44173)]