172928788

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 321126400

約数和(自身を除く): 148197612

約数列:

[1, 2, 4, 31, 62, 79, 124, 127, 139, 158, 254, 278, 316, 508, 556, 2449, 3937, 4309, 4898, 7874, 8618, 9796, 10033, 10981, 15748, 17236, 17653, 20066, 21962, 35306, 40132, 43924, 70612, 311023, 340411, 547243, 622046, 680822, 1094486, 1244092, 1361644, 1394587, 2188972, 2789174, 5578348, 43232197, 86464394, 172928788]

約数ペア:

[(1, 172928788), (2, 86464394), (4, 43232197), (31, 5578348), (62, 2789174), (79, 2188972), (124, 1394587), (127, 1361644), (139, 1244092), (158, 1094486), (254, 680822), (278, 622046), (316, 547243), (508, 340411), (556, 311023), (2449, 70612), (3937, 43924), (4309, 40132), (4898, 35306), (7874, 21962), (8618, 20066), (9796, 17653), (10033, 17236), (10981, 15748)]