64729474832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{19753}}^1$

素因数の和:20248

約数の個数: 80

約数和(自身を含む): 140326726848

約数和(自身を除く): 75597252016

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 433, 473, 688, 866, 946, 1732, 1892, 3464, 3784, 4763, 6928, 7568, 9526, 18619, 19052, 19753, 37238, 38104, 39506, 74476, 76208, 79012, 148952, 158024, 204809, 217283, 297904, 316048, 409618, 434566, 819236, 849379, 869132, 1638472, 1698758, 1738264, 3276944, 3397516, 3476528, 6795032, 8553049, 9343169, 13590064, 17106098, 18686338, 34212196, 37372676, 68424392, 74745352, 94083539, 136848784, 149490704, 188167078, 367781107, 376334156, 735562214, 752668312, 1471124428, 1505336624, 2942248856, 4045592177, 5884497712, 8091184354, 16182368708, 32364737416, 64729474832]

約数ペア:

[(1, 64729474832), (2, 32364737416), (4, 16182368708), (8, 8091184354), (11, 5884497712), (16, 4045592177), (22, 2942248856), (43, 1505336624), (44, 1471124428), (86, 752668312), (88, 735562214), (172, 376334156), (176, 367781107), (344, 188167078), (433, 149490704), (473, 136848784), (688, 94083539), (866, 74745352), (946, 68424392), (1732, 37372676), (1892, 34212196), (3464, 18686338), (3784, 17106098), (4763, 13590064), (6928, 9343169), (7568, 8553049), (9526, 6795032), (18619, 3476528), (19052, 3397516), (19753, 3276944), (37238, 1738264), (38104, 1698758), (39506, 1638472), (74476, 869132), (76208, 849379), (79012, 819236), (148952, 434566), (158024, 409618), (204809, 316048), (217283, 297904)]