172247966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 137409634

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 79, 139, 158, 253, 278, 341, 506, 682, 713, 869, 1426, 1529, 1738, 1817, 2449, 3058, 3197, 3634, 4309, 4898, 6394, 7843, 8618, 10981, 15686, 19987, 21962, 26939, 35167, 39974, 47399, 53878, 56327, 70334, 94798, 99107, 112654, 120791, 198214, 241582, 252563, 340411, 505126, 619597, 680822, 1090177, 1239194, 2180354, 2778193, 3744521, 5556386, 7489042, 7829453, 15658906, 86123983, 172247966]

約数ペア:

[(1, 172247966), (2, 86123983), (11, 15658906), (22, 7829453), (23, 7489042), (31, 5556386), (46, 3744521), (62, 2778193), (79, 2180354), (139, 1239194), (158, 1090177), (253, 680822), (278, 619597), (341, 505126), (506, 340411), (682, 252563), (713, 241582), (869, 198214), (1426, 120791), (1529, 112654), (1738, 99107), (1817, 94798), (2449, 70334), (3058, 56327), (3197, 53878), (3634, 47399), (4309, 39974), (4898, 35167), (6394, 26939), (7843, 21962), (8618, 19987), (10981, 15686)]