551569460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31663}}^1$

素因数の和:31752

約数の個数: 48

約数和(自身を含む): 1266053376

約数和(自身を除く): 714483916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 31663, 63326, 126652, 158315, 316630, 411619, 633260, 823238, 1646476, 2058095, 2121421, 4116190, 4242842, 8232380, 8485684, 10607105, 21214210, 27578473, 42428420, 55156946, 110313892, 137892365, 275784730, 551569460]

約数ペア:

[(1, 551569460), (2, 275784730), (4, 137892365), (5, 110313892), (10, 55156946), (13, 42428420), (20, 27578473), (26, 21214210), (52, 10607105), (65, 8485684), (67, 8232380), (130, 4242842), (134, 4116190), (260, 2121421), (268, 2058095), (335, 1646476), (670, 823238), (871, 633260), (1340, 411619), (1742, 316630), (3484, 158315), (4355, 126652), (8710, 63326), (17420, 31663)]