2139228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 6665568

約数和(自身を除く): 4526340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 653, 819, 1092, 1306, 1638, 1959, 2612, 3276, 3918, 4571, 5877, 7836, 8489, 9142, 11754, 13713, 16978, 18284, 23508, 25467, 27426, 33956, 41139, 50934, 54852, 59423, 76401, 82278, 101868, 118846, 152802, 164556, 178269, 237692, 305604, 356538, 534807, 713076, 1069614, 2139228]

約数ペア:

[(1, 2139228), (2, 1069614), (3, 713076), (4, 534807), (6, 356538), (7, 305604), (9, 237692), (12, 178269), (13, 164556), (14, 152802), (18, 118846), (21, 101868), (26, 82278), (28, 76401), (36, 59423), (39, 54852), (42, 50934), (52, 41139), (63, 33956), (78, 27426), (84, 25467), (91, 23508), (117, 18284), (126, 16978), (156, 13713), (182, 11754), (234, 9142), (252, 8489), (273, 7836), (364, 5877), (468, 4571), (546, 3918), (653, 3276), (819, 2612), (1092, 1959), (1306, 1638)]