251013484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 472040800

約数和(自身を除く): 221027316

約数列:

[1, 2, 4, 19, 38, 76, 109, 157, 193, 218, 314, 386, 436, 628, 772, 2071, 2983, 3667, 4142, 5966, 7334, 8284, 11932, 14668, 17113, 21037, 30301, 34226, 42074, 60602, 68452, 84148, 121204, 325147, 399703, 575719, 650294, 799406, 1151438, 1300588, 1598812, 2302876, 3302809, 6605618, 13211236, 62753371, 125506742, 251013484]

約数ペア:

[(1, 251013484), (2, 125506742), (4, 62753371), (19, 13211236), (38, 6605618), (76, 3302809), (109, 2302876), (157, 1598812), (193, 1300588), (218, 1151438), (314, 799406), (386, 650294), (436, 575719), (628, 399703), (772, 325147), (2071, 121204), (2983, 84148), (3667, 68452), (4142, 60602), (5966, 42074), (7334, 34226), (8284, 30301), (11932, 21037), (14668, 17113)]