991494532

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{7507}}^1$

素因数の和:7660

約数の個数: 48

約数和(自身を含む): 2043377280

約数和(自身を除く): 1051882748

約数列:

[1, 2, 4, 7, 14, 28, 53, 89, 106, 178, 212, 356, 371, 623, 742, 1246, 1484, 2492, 4717, 7507, 9434, 15014, 18868, 30028, 33019, 52549, 66038, 105098, 132076, 210196, 397871, 668123, 795742, 1336246, 1591484, 2672492, 2785097, 4676861, 5570194, 9353722, 11140388, 18707444, 35410519, 70821038, 141642076, 247873633, 495747266, 991494532]

約数ペア:

[(1, 991494532), (2, 495747266), (4, 247873633), (7, 141642076), (14, 70821038), (28, 35410519), (53, 18707444), (89, 11140388), (106, 9353722), (178, 5570194), (212, 4676861), (356, 2785097), (371, 2672492), (623, 1591484), (742, 1336246), (1246, 795742), (1484, 668123), (2492, 397871), (4717, 210196), (7507, 132076), (9434, 105098), (15014, 66038), (18868, 52549), (30028, 33019)]