1520391838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 2863558656

約数和(自身を除く): 1343166818

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 251, 434, 502, 527, 821, 1054, 1642, 1757, 3514, 3689, 4267, 5747, 7378, 7781, 8534, 11494, 13957, 15562, 25451, 27914, 29869, 50902, 54467, 59738, 97699, 108934, 132277, 178157, 195398, 206071, 264554, 356314, 412142, 432667, 865334, 925939, 1442497, 1851878, 2884994, 3028669, 3503207, 6057338, 6388201, 7006414, 12776402, 24522449, 44717407, 49044898, 89434814, 108599417, 217198834, 760195919, 1520391838]

約数ペア:

[(1, 1520391838), (2, 760195919), (7, 217198834), (14, 108599417), (17, 89434814), (31, 49044898), (34, 44717407), (62, 24522449), (119, 12776402), (217, 7006414), (238, 6388201), (251, 6057338), (434, 3503207), (502, 3028669), (527, 2884994), (821, 1851878), (1054, 1442497), (1642, 925939), (1757, 865334), (3514, 432667), (3689, 412142), (4267, 356314), (5747, 264554), (7378, 206071), (7781, 195398), (8534, 178157), (11494, 132277), (13957, 108934), (15562, 97699), (25451, 59738), (27914, 54467), (29869, 50902)]