1640636504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{1361}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 3384188640

約数和(自身を除く): 1743552136

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 173, 268, 346, 536, 692, 871, 1361, 1384, 1742, 2249, 2722, 3484, 4498, 5444, 6968, 8996, 10888, 11591, 17693, 17992, 23182, 35386, 46364, 70772, 91187, 92728, 141544, 150683, 182374, 235453, 301366, 364748, 470906, 602732, 729496, 941812, 1185431, 1205464, 1883624, 2370862, 3060889, 4741724, 6121778, 9483448, 12243556, 15775351, 24487112, 31550702, 63101404, 126202808, 205079563, 410159126, 820318252, 1640636504]

約数ペア:

[(1, 1640636504), (2, 820318252), (4, 410159126), (8, 205079563), (13, 126202808), (26, 63101404), (52, 31550702), (67, 24487112), (104, 15775351), (134, 12243556), (173, 9483448), (268, 6121778), (346, 4741724), (536, 3060889), (692, 2370862), (871, 1883624), (1361, 1205464), (1384, 1185431), (1742, 941812), (2249, 729496), (2722, 602732), (3484, 470906), (4498, 364748), (5444, 301366), (6968, 235453), (8996, 182374), (10888, 150683), (11591, 141544), (17693, 92728), (17992, 91187), (23182, 70772), (35386, 46364)]