161652556

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 329452704

約数和(自身を除く): 167800148

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 148, 169, 281, 299, 338, 481, 562, 598, 676, 851, 962, 1124, 1196, 1702, 1924, 3404, 3653, 3887, 6253, 6463, 7306, 7774, 10397, 11063, 12506, 12926, 14612, 15548, 20794, 22126, 25012, 25852, 41588, 44252, 47489, 84019, 94978, 135161, 143819, 168038, 189956, 239131, 270322, 287638, 336076, 478262, 540644, 575276, 956524, 1092247, 1757093, 2184494, 3108703, 3514186, 4368988, 6217406, 7028372, 12434812, 40413139, 80826278, 161652556]

約数ペア:

[(1, 161652556), (2, 80826278), (4, 40413139), (13, 12434812), (23, 7028372), (26, 6217406), (37, 4368988), (46, 3514186), (52, 3108703), (74, 2184494), (92, 1757093), (148, 1092247), (169, 956524), (281, 575276), (299, 540644), (338, 478262), (481, 336076), (562, 287638), (598, 270322), (676, 239131), (851, 189956), (962, 168038), (1124, 143819), (1196, 135161), (1702, 94978), (1924, 84019), (3404, 47489), (3653, 44252), (3887, 41588), (6253, 25852), (6463, 25012), (7306, 22126), (7774, 20794), (10397, 15548), (11063, 14612), (12506, 12926)]