28637658

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 75513600

約数和(自身を除く): 46875942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 79, 98, 126, 137, 147, 158, 189, 237, 274, 294, 378, 411, 441, 474, 553, 711, 822, 882, 959, 1106, 1233, 1323, 1422, 1659, 1918, 2133, 2466, 2646, 2877, 3318, 3699, 3871, 4266, 4977, 5754, 6713, 7398, 7742, 8631, 9954, 10823, 11613, 13426, 14931, 17262, 20139, 21646, 23226, 25893, 29862, 32469, 34839, 40278, 51786, 60417, 64938, 69678, 75761, 97407, 104517, 120834, 151522, 181251, 194814, 209034, 227283, 292221, 362502, 454566, 530327, 584442, 681849, 1060654, 1363698, 1590981, 2045547, 3181962, 4091094, 4772943, 9545886, 14318829, 28637658]

約数ペア:

[(1, 28637658), (2, 14318829), (3, 9545886), (6, 4772943), (7, 4091094), (9, 3181962), (14, 2045547), (18, 1590981), (21, 1363698), (27, 1060654), (42, 681849), (49, 584442), (54, 530327), (63, 454566), (79, 362502), (98, 292221), (126, 227283), (137, 209034), (147, 194814), (158, 181251), (189, 151522), (237, 120834), (274, 104517), (294, 97407), (378, 75761), (411, 69678), (441, 64938), (474, 60417), (553, 51786), (711, 40278), (822, 34839), (882, 32469), (959, 29862), (1106, 25893), (1233, 23226), (1323, 21646), (1422, 20139), (1659, 17262), (1918, 14931), (2133, 13426), (2466, 11613), (2646, 10823), (2877, 9954), (3318, 8631), (3699, 7742), (3871, 7398), (4266, 6713), (4977, 5754)]