16981146

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1516

約数の個数: 72

約数和(自身を含む): 46122804

約数和(自身を除く): 29141658

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1481, 1638, 1911, 2962, 3822, 4443, 5733, 8886, 10367, 11466, 13329, 19253, 20734, 26658, 31101, 38506, 57759, 62202, 72569, 93303, 115518, 134771, 145138, 173277, 186606, 217707, 269542, 346554, 404313, 435414, 653121, 808626, 943397, 1212939, 1306242, 1886794, 2425878, 2830191, 5660382, 8490573, 16981146]

約数ペア:

[(1, 16981146), (2, 8490573), (3, 5660382), (6, 2830191), (7, 2425878), (9, 1886794), (13, 1306242), (14, 1212939), (18, 943397), (21, 808626), (26, 653121), (39, 435414), (42, 404313), (49, 346554), (63, 269542), (78, 217707), (91, 186606), (98, 173277), (117, 145138), (126, 134771), (147, 115518), (182, 93303), (234, 72569), (273, 62202), (294, 57759), (441, 38506), (546, 31101), (637, 26658), (819, 20734), (882, 19253), (1274, 13329), (1481, 11466), (1638, 10367), (1911, 8886), (2962, 5733), (3822, 4443)]