123438564

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2125

約数の個数: 72

約数和(自身を含む): 333817848

約数和(自身を除く): 210379284

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 101, 102, 153, 202, 204, 303, 306, 404, 606, 612, 909, 1212, 1717, 1818, 1997, 3434, 3636, 3994, 5151, 5991, 6868, 7988, 10302, 11982, 15453, 17973, 20604, 23964, 30906, 33949, 35946, 61812, 67898, 71892, 101847, 135796, 201697, 203694, 305541, 403394, 407388, 605091, 611082, 806788, 1210182, 1222164, 1815273, 2420364, 3428849, 3630546, 6857698, 7261092, 10286547, 13715396, 20573094, 30859641, 41146188, 61719282, 123438564]

約数ペア:

[(1, 123438564), (2, 61719282), (3, 41146188), (4, 30859641), (6, 20573094), (9, 13715396), (12, 10286547), (17, 7261092), (18, 6857698), (34, 3630546), (36, 3428849), (51, 2420364), (68, 1815273), (101, 1222164), (102, 1210182), (153, 806788), (202, 611082), (204, 605091), (303, 407388), (306, 403394), (404, 305541), (606, 203694), (612, 201697), (909, 135796), (1212, 101847), (1717, 71892), (1818, 67898), (1997, 61812), (3434, 35946), (3636, 33949), (3994, 30906), (5151, 23964), (5991, 20604), (6868, 17973), (7988, 15453), (10302, 11982)]