72004831717

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1863

約数の個数: 64

約数和(自身を含む): 93110169600

約数和(自身を除く): 21105337883

約数列:

[1, 7, 13, 31, 89, 91, 169, 217, 403, 623, 1157, 1183, 1697, 2197, 2759, 2821, 5239, 8099, 11879, 15041, 15379, 19313, 22061, 35867, 36673, 52607, 68107, 105287, 151033, 154427, 195533, 251069, 286793, 368249, 466271, 476749, 683891, 1057231, 1368731, 1963429, 2007551, 3263897, 3728309, 4682023, 4787237, 6061523, 8890583, 13744003, 25524577, 26098163, 32774161, 42430661, 60866299, 62234081, 115577579, 178672039, 331819501, 426064093, 791261887, 809043053, 2322736507, 5538833209, 10286404531, 72004831717]

約数ペア:

[(1, 72004831717), (7, 10286404531), (13, 5538833209), (31, 2322736507), (89, 809043053), (91, 791261887), (169, 426064093), (217, 331819501), (403, 178672039), (623, 115577579), (1157, 62234081), (1183, 60866299), (1697, 42430661), (2197, 32774161), (2759, 26098163), (2821, 25524577), (5239, 13744003), (8099, 8890583), (11879, 6061523), (15041, 4787237), (15379, 4682023), (19313, 3728309), (22061, 3263897), (35867, 2007551), (36673, 1963429), (52607, 1368731), (68107, 1057231), (105287, 683891), (151033, 476749), (154427, 466271), (195533, 368249), (251069, 286793)]