81790644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 214220160

約数和(自身を除く): 132429516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 89, 129, 137, 156, 172, 178, 258, 267, 274, 356, 411, 516, 534, 548, 559, 822, 1068, 1118, 1157, 1644, 1677, 1781, 2236, 2314, 3354, 3471, 3562, 3827, 4628, 5343, 5891, 6708, 6942, 7124, 7654, 10686, 11481, 11782, 12193, 13884, 15308, 17673, 21372, 22962, 23564, 24386, 35346, 36579, 45924, 48772, 49751, 70692, 73158, 76583, 99502, 146316, 149253, 153166, 158509, 199004, 229749, 298506, 306332, 317018, 459498, 475527, 524299, 597012, 634036, 918996, 951054, 1048598, 1572897, 1902108, 2097196, 3145794, 6291588, 6815887, 13631774, 20447661, 27263548, 40895322, 81790644]

約数ペア:

[(1, 81790644), (2, 40895322), (3, 27263548), (4, 20447661), (6, 13631774), (12, 6815887), (13, 6291588), (26, 3145794), (39, 2097196), (43, 1902108), (52, 1572897), (78, 1048598), (86, 951054), (89, 918996), (129, 634036), (137, 597012), (156, 524299), (172, 475527), (178, 459498), (258, 317018), (267, 306332), (274, 298506), (356, 229749), (411, 199004), (516, 158509), (534, 153166), (548, 149253), (559, 146316), (822, 99502), (1068, 76583), (1118, 73158), (1157, 70692), (1644, 49751), (1677, 48772), (1781, 45924), (2236, 36579), (2314, 35346), (3354, 24386), (3471, 23564), (3562, 22962), (3827, 21372), (4628, 17673), (5343, 15308), (5891, 13884), (6708, 12193), (6942, 11782), (7124, 11481), (7654, 10686)]