77790895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 124104960

約数和(自身を除く): 46314065

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 89, 91, 113, 119, 221, 445, 455, 565, 595, 623, 791, 1105, 1157, 1469, 1513, 1547, 1921, 3115, 3955, 5785, 7345, 7565, 7735, 8099, 9605, 10057, 10283, 10591, 13447, 19669, 24973, 40495, 50285, 51415, 52955, 67235, 70399, 98345, 124865, 130741, 137683, 170969, 174811, 351995, 653705, 688415, 854845, 874055, 915187, 1196783, 2222597, 4575935, 5983915, 11112985, 15558179, 77790895]

約数ペア:

[(1, 77790895), (5, 15558179), (7, 11112985), (13, 5983915), (17, 4575935), (35, 2222597), (65, 1196783), (85, 915187), (89, 874055), (91, 854845), (113, 688415), (119, 653705), (221, 351995), (445, 174811), (455, 170969), (565, 137683), (595, 130741), (623, 124865), (791, 98345), (1105, 70399), (1157, 67235), (1469, 52955), (1513, 51415), (1547, 50285), (1921, 40495), (3115, 24973), (3955, 19669), (5785, 13447), (7345, 10591), (7565, 10283), (7735, 10057), (8099, 9605)]