641569084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 1283747472

約数和(自身を除く): 642178388

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 83, 92, 166, 281, 299, 332, 529, 562, 598, 1058, 1079, 1124, 1196, 1909, 2116, 2158, 3653, 3818, 4316, 6463, 6877, 7306, 7636, 12926, 13754, 14612, 23323, 24817, 25852, 27508, 43907, 46646, 49634, 84019, 87814, 93292, 99268, 148649, 168038, 175628, 297298, 303199, 336076, 536429, 570791, 594596, 606398, 1072858, 1141582, 1212796, 1932437, 2145716, 2283164, 3864874, 6973577, 7729748, 12337867, 13947154, 24675734, 27894308, 49351468, 160392271, 320784542, 641569084]

約数ペア:

[(1, 641569084), (2, 320784542), (4, 160392271), (13, 49351468), (23, 27894308), (26, 24675734), (46, 13947154), (52, 12337867), (83, 7729748), (92, 6973577), (166, 3864874), (281, 2283164), (299, 2145716), (332, 1932437), (529, 1212796), (562, 1141582), (598, 1072858), (1058, 606398), (1079, 594596), (1124, 570791), (1196, 536429), (1909, 336076), (2116, 303199), (2158, 297298), (3653, 175628), (3818, 168038), (4316, 148649), (6463, 99268), (6877, 93292), (7306, 87814), (7636, 84019), (12926, 49634), (13754, 46646), (14612, 43907), (23323, 27508), (24817, 25852)]