218940228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15091}}^1$

素因数の和:15145

約数の個数: 72

約数和(自身を含む): 615270656

約数和(自身を除く): 396330428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 15091, 30182, 45273, 60364, 90546, 135819, 181092, 196183, 271638, 392366, 467821, 543276, 588549, 784732, 935642, 1177098, 1403463, 1765647, 1871284, 2354196, 2806926, 3531294, 4210389, 5613852, 6081673, 7062588, 8420778, 12163346, 16841556, 18245019, 24326692, 36490038, 54735057, 72980076, 109470114, 218940228]

約数ペア:

[(1, 218940228), (2, 109470114), (3, 72980076), (4, 54735057), (6, 36490038), (9, 24326692), (12, 18245019), (13, 16841556), (18, 12163346), (26, 8420778), (31, 7062588), (36, 6081673), (39, 5613852), (52, 4210389), (62, 3531294), (78, 2806926), (93, 2354196), (117, 1871284), (124, 1765647), (156, 1403463), (186, 1177098), (234, 935642), (279, 784732), (372, 588549), (403, 543276), (468, 467821), (558, 392366), (806, 271638), (1116, 196183), (1209, 181092), (1612, 135819), (2418, 90546), (3627, 60364), (4836, 45273), (7254, 30182), (14508, 15091)]