1954281385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2017}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 2975662080

約数和(自身を除く): 1021380695

約数列:

[1, 5, 7, 19, 31, 35, 47, 95, 133, 155, 217, 235, 329, 589, 665, 893, 1085, 1457, 1645, 2017, 2945, 4123, 4465, 6251, 7285, 10085, 10199, 14119, 20615, 27683, 31255, 38323, 50995, 62527, 70595, 94799, 138415, 191615, 193781, 268261, 312635, 437689, 473995, 663593, 968905, 1188013, 1341305, 1801181, 2188445, 2938769, 3317965, 5940065, 8316091, 9005905, 12608267, 14693845, 20571383, 41580455, 55836611, 63041335, 102856915, 279183055, 390856277, 1954281385]

約数ペア:

[(1, 1954281385), (5, 390856277), (7, 279183055), (19, 102856915), (31, 63041335), (35, 55836611), (47, 41580455), (95, 20571383), (133, 14693845), (155, 12608267), (217, 9005905), (235, 8316091), (329, 5940065), (589, 3317965), (665, 2938769), (893, 2188445), (1085, 1801181), (1457, 1341305), (1645, 1188013), (2017, 968905), (2945, 663593), (4123, 473995), (4465, 437689), (6251, 312635), (7285, 268261), (10085, 193781), (10199, 191615), (14119, 138415), (20615, 94799), (27683, 70595), (31255, 62527), (38323, 50995)]