281942388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{967}}^1$

素因数の和:1086

約数の個数: 144

約数和(自身を含む): 887927040

約数和(自身を除く): 605984652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 89, 91, 117, 126, 156, 178, 182, 234, 252, 267, 273, 356, 364, 468, 534, 546, 623, 801, 819, 967, 1068, 1092, 1157, 1246, 1602, 1638, 1869, 1934, 2314, 2492, 2901, 3204, 3276, 3471, 3738, 3868, 4628, 5607, 5802, 6769, 6942, 7476, 8099, 8703, 10413, 11214, 11604, 12571, 13538, 13884, 16198, 17406, 20307, 20826, 22428, 24297, 25142, 27076, 32396, 34812, 37713, 40614, 41652, 48594, 50284, 60921, 72891, 75426, 81228, 86063, 87997, 97188, 113139, 121842, 145782, 150852, 172126, 175994, 226278, 243684, 258189, 263991, 291564, 344252, 351988, 452556, 516378, 527982, 602441, 774567, 791973, 1032756, 1055964, 1118819, 1204882, 1549134, 1583946, 1807323, 2237638, 2409764, 3098268, 3167892, 3356457, 3614646, 4475276, 5421969, 6712914, 7229292, 7831733, 10069371, 10843938, 13425828, 15663466, 20138742, 21687876, 23495199, 31326932, 40277484, 46990398, 70485597, 93980796, 140971194, 281942388]

約数ペア:

[(1, 281942388), (2, 140971194), (3, 93980796), (4, 70485597), (6, 46990398), (7, 40277484), (9, 31326932), (12, 23495199), (13, 21687876), (14, 20138742), (18, 15663466), (21, 13425828), (26, 10843938), (28, 10069371), (36, 7831733), (39, 7229292), (42, 6712914), (52, 5421969), (63, 4475276), (78, 3614646), (84, 3356457), (89, 3167892), (91, 3098268), (117, 2409764), (126, 2237638), (156, 1807323), (178, 1583946), (182, 1549134), (234, 1204882), (252, 1118819), (267, 1055964), (273, 1032756), (356, 791973), (364, 774567), (468, 602441), (534, 527982), (546, 516378), (623, 452556), (801, 351988), (819, 344252), (967, 291564), (1068, 263991), (1092, 258189), (1157, 243684), (1246, 226278), (1602, 175994), (1638, 172126), (1869, 150852), (1934, 145782), (2314, 121842), (2492, 113139), (2901, 97188), (3204, 87997), (3276, 86063), (3471, 81228), (3738, 75426), (3868, 72891), (4628, 60921), (5607, 50284), (5802, 48594), (6769, 41652), (6942, 40614), (7476, 37713), (8099, 34812), (8703, 32396), (10413, 27076), (11214, 25142), (11604, 24297), (12571, 22428), (13538, 20826), (13884, 20307), (16198, 17406)]