381818388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{5113}}^1$

素因数の和:5261

約数の個数: 72

約数和(自身を含む): 1044728832

約数和(自身を除く): 662910444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 254, 294, 381, 508, 588, 762, 889, 1524, 1778, 2667, 3556, 5113, 5334, 6223, 10226, 10668, 12446, 15339, 18669, 20452, 24892, 30678, 35791, 37338, 61356, 71582, 74676, 107373, 143164, 214746, 250537, 429492, 501074, 649351, 751611, 1002148, 1298702, 1503222, 1948053, 2597404, 3006444, 3896106, 4545457, 7792212, 9090914, 13636371, 18181828, 27272742, 31818199, 54545484, 63636398, 95454597, 127272796, 190909194, 381818388]

約数ペア:

[(1, 381818388), (2, 190909194), (3, 127272796), (4, 95454597), (6, 63636398), (7, 54545484), (12, 31818199), (14, 27272742), (21, 18181828), (28, 13636371), (42, 9090914), (49, 7792212), (84, 4545457), (98, 3896106), (127, 3006444), (147, 2597404), (196, 1948053), (254, 1503222), (294, 1298702), (381, 1002148), (508, 751611), (588, 649351), (762, 501074), (889, 429492), (1524, 250537), (1778, 214746), (2667, 143164), (3556, 107373), (5113, 74676), (5334, 71582), (6223, 61356), (10226, 37338), (10668, 35791), (12446, 30678), (15339, 24892), (18669, 20452)]