198421712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 425865600

約数和(自身を除く): 227443888

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 71, 76, 116, 142, 152, 232, 284, 304, 317, 464, 551, 568, 634, 1102, 1136, 1268, 1349, 2059, 2204, 2536, 2698, 4118, 4408, 5072, 5396, 6023, 8236, 8816, 9193, 10792, 12046, 16472, 18386, 21584, 22507, 24092, 32944, 36772, 39121, 45014, 48184, 73544, 78242, 90028, 96368, 147088, 156484, 174667, 180056, 312968, 349334, 360112, 427633, 625936, 652703, 698668, 855266, 1305406, 1397336, 1710532, 2610812, 2794672, 3421064, 5221624, 6842128, 10443248, 12401357, 24802714, 49605428, 99210856, 198421712]

約数ペア:

[(1, 198421712), (2, 99210856), (4, 49605428), (8, 24802714), (16, 12401357), (19, 10443248), (29, 6842128), (38, 5221624), (58, 3421064), (71, 2794672), (76, 2610812), (116, 1710532), (142, 1397336), (152, 1305406), (232, 855266), (284, 698668), (304, 652703), (317, 625936), (464, 427633), (551, 360112), (568, 349334), (634, 312968), (1102, 180056), (1136, 174667), (1268, 156484), (1349, 147088), (2059, 96368), (2204, 90028), (2536, 78242), (2698, 73544), (4118, 48184), (4408, 45014), (5072, 39121), (5396, 36772), (6023, 32944), (8236, 24092), (8816, 22507), (9193, 21584), (10792, 18386), (12046, 16472)]