1640391016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{4561}}^1$

素因数の和:4706

約数の個数: 64

約数和(自身を含む): 3462010560

約数和(自身を除く): 1821619544

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 67, 88, 122, 134, 244, 268, 488, 536, 671, 737, 1342, 1474, 2684, 2948, 4087, 4561, 5368, 5896, 8174, 9122, 16348, 18244, 32696, 36488, 44957, 50171, 89914, 100342, 179828, 200684, 278221, 305587, 359656, 401368, 556442, 611174, 1112884, 1222348, 2225768, 2444696, 3060431, 3361457, 6120862, 6722914, 12241724, 13445828, 18640807, 24483448, 26891656, 37281614, 74563228, 149126456, 205048877, 410097754, 820195508, 1640391016]

約数ペア:

[(1, 1640391016), (2, 820195508), (4, 410097754), (8, 205048877), (11, 149126456), (22, 74563228), (44, 37281614), (61, 26891656), (67, 24483448), (88, 18640807), (122, 13445828), (134, 12241724), (244, 6722914), (268, 6120862), (488, 3361457), (536, 3060431), (671, 2444696), (737, 2225768), (1342, 1222348), (1474, 1112884), (2684, 611174), (2948, 556442), (4087, 401368), (4561, 359656), (5368, 305587), (5896, 278221), (8174, 200684), (9122, 179828), (16348, 100342), (18244, 89914), (32696, 50171), (36488, 44957)]