64449385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 105799680

約数和(自身を除く): 41350295

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 79, 91, 143, 163, 385, 395, 455, 553, 715, 815, 869, 1001, 1027, 1141, 1793, 2119, 2765, 4345, 5005, 5135, 5705, 6083, 7189, 8965, 10595, 11297, 12551, 12877, 14833, 23309, 30415, 35945, 56485, 62755, 64385, 74165, 79079, 90139, 116545, 141647, 163163, 167401, 395395, 450695, 708235, 815815, 837005, 991529, 1171807, 1841411, 4957645, 5859035, 9207055, 12889877, 64449385]

約数ペア:

[(1, 64449385), (5, 12889877), (7, 9207055), (11, 5859035), (13, 4957645), (35, 1841411), (55, 1171807), (65, 991529), (77, 837005), (79, 815815), (91, 708235), (143, 450695), (163, 395395), (385, 167401), (395, 163163), (455, 141647), (553, 116545), (715, 90139), (815, 79079), (869, 74165), (1001, 64385), (1027, 62755), (1141, 56485), (1793, 35945), (2119, 30415), (2765, 23309), (4345, 14833), (5005, 12877), (5135, 12551), (5705, 11297), (6083, 10595), (7189, 8965)]