28490928

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 77780736

約数和(自身を除く): 49289808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 131, 138, 184, 197, 262, 276, 368, 393, 394, 524, 552, 591, 786, 788, 1048, 1104, 1182, 1572, 1576, 2096, 2364, 3013, 3144, 3152, 4531, 4728, 6026, 6288, 9039, 9062, 9456, 12052, 13593, 18078, 18124, 24104, 25807, 27186, 36156, 36248, 48208, 51614, 54372, 72312, 72496, 77421, 103228, 108744, 144624, 154842, 206456, 217488, 309684, 412912, 593561, 619368, 1187122, 1238736, 1780683, 2374244, 3561366, 4748488, 7122732, 9496976, 14245464, 28490928]

約数ペア:

[(1, 28490928), (2, 14245464), (3, 9496976), (4, 7122732), (6, 4748488), (8, 3561366), (12, 2374244), (16, 1780683), (23, 1238736), (24, 1187122), (46, 619368), (48, 593561), (69, 412912), (92, 309684), (131, 217488), (138, 206456), (184, 154842), (197, 144624), (262, 108744), (276, 103228), (368, 77421), (393, 72496), (394, 72312), (524, 54372), (552, 51614), (591, 48208), (786, 36248), (788, 36156), (1048, 27186), (1104, 25807), (1182, 24104), (1572, 18124), (1576, 18078), (2096, 13593), (2364, 12052), (3013, 9456), (3144, 9062), (3152, 9039), (4531, 6288), (4728, 6026)]