2005206914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 3428352000

約数和(自身を除く): 1423145086

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 79, 158, 551, 589, 743, 899, 1102, 1178, 1486, 1501, 1798, 2291, 2449, 3002, 4582, 4898, 14117, 17081, 21547, 23033, 28234, 34162, 43094, 43529, 46066, 46531, 58697, 71021, 87058, 93062, 117394, 142042, 409393, 437627, 667957, 818786, 875254, 1115243, 1335914, 1349399, 1702213, 1819607, 2230486, 2698798, 3404426, 3639214, 12691183, 25382366, 32342047, 34572533, 52768603, 64684094, 69145066, 105537206, 1002603457, 2005206914]

約数ペア:

[(1, 2005206914), (2, 1002603457), (19, 105537206), (29, 69145066), (31, 64684094), (38, 52768603), (58, 34572533), (62, 32342047), (79, 25382366), (158, 12691183), (551, 3639214), (589, 3404426), (743, 2698798), (899, 2230486), (1102, 1819607), (1178, 1702213), (1486, 1349399), (1501, 1335914), (1798, 1115243), (2291, 875254), (2449, 818786), (3002, 667957), (4582, 437627), (4898, 409393), (14117, 142042), (17081, 117394), (21547, 93062), (23033, 87058), (28234, 71021), (34162, 58697), (43094, 46531), (43529, 46066)]