211315728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4639}}^1$

素因数の和:4736

約数の個数: 80

約数和(自身を含む): 596072960

約数和(自身を除く): 384757232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 438, 584, 624, 876, 949, 1168, 1752, 1898, 2847, 3504, 3796, 4639, 5694, 7592, 9278, 11388, 13917, 15184, 18556, 22776, 27834, 37112, 45552, 55668, 60307, 74224, 111336, 120614, 180921, 222672, 241228, 338647, 361842, 482456, 677294, 723684, 964912, 1015941, 1354588, 1447368, 2031882, 2709176, 2894736, 4063764, 4402411, 5418352, 8127528, 8804822, 13207233, 16255056, 17609644, 26414466, 35219288, 52828932, 70438576, 105657864, 211315728]

約数ペア:

[(1, 211315728), (2, 105657864), (3, 70438576), (4, 52828932), (6, 35219288), (8, 26414466), (12, 17609644), (13, 16255056), (16, 13207233), (24, 8804822), (26, 8127528), (39, 5418352), (48, 4402411), (52, 4063764), (73, 2894736), (78, 2709176), (104, 2031882), (146, 1447368), (156, 1354588), (208, 1015941), (219, 964912), (292, 723684), (312, 677294), (438, 482456), (584, 361842), (624, 338647), (876, 241228), (949, 222672), (1168, 180921), (1752, 120614), (1898, 111336), (2847, 74224), (3504, 60307), (3796, 55668), (4639, 45552), (5694, 37112), (7592, 27834), (9278, 22776), (11388, 18556), (13917, 15184)]