1218282948

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 3112549440

約数和(自身を除く): 1894266492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 439, 471, 491, 628, 878, 942, 982, 1317, 1413, 1473, 1756, 1884, 1964, 2634, 2826, 2946, 3951, 4419, 5268, 5652, 5892, 7902, 8838, 15804, 17676, 68923, 77087, 137846, 154174, 206769, 215549, 231261, 275692, 308348, 413538, 431098, 462522, 620307, 646647, 693783, 827076, 862196, 925044, 1240614, 1293294, 1387566, 1939941, 2481228, 2586588, 2775132, 3879882, 7759764, 33841193, 67682386, 101523579, 135364772, 203047158, 304570737, 406094316, 609141474, 1218282948]

約数ペア:

[(1, 1218282948), (2, 609141474), (3, 406094316), (4, 304570737), (6, 203047158), (9, 135364772), (12, 101523579), (18, 67682386), (36, 33841193), (157, 7759764), (314, 3879882), (439, 2775132), (471, 2586588), (491, 2481228), (628, 1939941), (878, 1387566), (942, 1293294), (982, 1240614), (1317, 925044), (1413, 862196), (1473, 827076), (1756, 693783), (1884, 646647), (1964, 620307), (2634, 462522), (2826, 431098), (2946, 413538), (3951, 308348), (4419, 275692), (5268, 231261), (5652, 215549), (5892, 206769), (7902, 154174), (8838, 137846), (15804, 77087), (17676, 68923)]