328750996

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 721200480

約数和(自身を除く): 392449484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1634, 1862, 2053, 2107, 3268, 3724, 4106, 4214, 5719, 8212, 8428, 11438, 14371, 22876, 28742, 39007, 40033, 57484, 78014, 80066, 88279, 100597, 156028, 160132, 176558, 201194, 273049, 353116, 402388, 546098, 617953, 1092196, 1235906, 1677301, 1911343, 2471812, 3354602, 3822686, 4325671, 6709204, 7645372, 8651342, 11741107, 17302684, 23482214, 46964428, 82187749, 164375498, 328750996]

約数ペア:

[(1, 328750996), (2, 164375498), (4, 82187749), (7, 46964428), (14, 23482214), (19, 17302684), (28, 11741107), (38, 8651342), (43, 7645372), (49, 6709204), (76, 4325671), (86, 3822686), (98, 3354602), (133, 2471812), (172, 1911343), (196, 1677301), (266, 1235906), (301, 1092196), (532, 617953), (602, 546098), (817, 402388), (931, 353116), (1204, 273049), (1634, 201194), (1862, 176558), (2053, 160132), (2107, 156028), (3268, 100597), (3724, 88279), (4106, 80066), (4214, 78014), (5719, 57484), (8212, 40033), (8428, 39007), (11438, 28742), (14371, 22876)]