17901390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 46702656

約数和(自身を除く): 28801266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 197, 233, 390, 394, 466, 591, 699, 985, 1165, 1182, 1398, 1970, 2330, 2561, 2955, 3029, 3495, 5122, 5910, 6058, 6990, 7683, 9087, 12805, 15145, 15366, 18174, 25610, 30290, 38415, 45435, 45901, 76830, 90870, 91802, 137703, 229505, 275406, 459010, 596713, 688515, 1193426, 1377030, 1790139, 2983565, 3580278, 5967130, 8950695, 17901390]

約数ペア:

[(1, 17901390), (2, 8950695), (3, 5967130), (5, 3580278), (6, 2983565), (10, 1790139), (13, 1377030), (15, 1193426), (26, 688515), (30, 596713), (39, 459010), (65, 275406), (78, 229505), (130, 137703), (195, 91802), (197, 90870), (233, 76830), (390, 45901), (394, 45435), (466, 38415), (591, 30290), (699, 25610), (985, 18174), (1165, 15366), (1182, 15145), (1398, 12805), (1970, 9087), (2330, 7683), (2561, 6990), (2955, 6058), (3029, 5910), (3495, 5122)]