401693784

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 1079930880

約数和(自身を除く): 678237096

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 53, 61, 62, 93, 106, 122, 124, 159, 167, 183, 186, 212, 244, 248, 318, 334, 366, 372, 424, 488, 501, 636, 668, 732, 744, 1002, 1272, 1336, 1464, 1643, 1891, 2004, 3233, 3286, 3782, 4008, 4929, 5177, 5673, 6466, 6572, 7564, 8851, 9699, 9858, 10187, 10354, 11346, 12932, 13144, 15128, 15531, 17702, 19398, 19716, 20374, 20708, 22692, 25864, 26553, 30561, 31062, 35404, 38796, 39432, 40748, 41416, 45384, 53106, 61122, 62124, 70808, 77592, 81496, 100223, 106212, 122244, 124248, 200446, 212424, 244488, 274381, 300669, 315797, 400892, 539911, 548762, 601338, 631594, 801784, 823143, 947391, 1079822, 1097524, 1202676, 1263188, 1619733, 1646286, 1894782, 2159644, 2195048, 2405352, 2526376, 3239466, 3292572, 3789564, 4319288, 6478932, 6585144, 7579128, 12957864, 16737241, 33474482, 50211723, 66948964, 100423446, 133897928, 200846892, 401693784]

約数ペア:

[(1, 401693784), (2, 200846892), (3, 133897928), (4, 100423446), (6, 66948964), (8, 50211723), (12, 33474482), (24, 16737241), (31, 12957864), (53, 7579128), (61, 6585144), (62, 6478932), (93, 4319288), (106, 3789564), (122, 3292572), (124, 3239466), (159, 2526376), (167, 2405352), (183, 2195048), (186, 2159644), (212, 1894782), (244, 1646286), (248, 1619733), (318, 1263188), (334, 1202676), (366, 1097524), (372, 1079822), (424, 947391), (488, 823143), (501, 801784), (636, 631594), (668, 601338), (732, 548762), (744, 539911), (1002, 400892), (1272, 315797), (1336, 300669), (1464, 274381), (1643, 244488), (1891, 212424), (2004, 200446), (3233, 124248), (3286, 122244), (3782, 106212), (4008, 100223), (4929, 81496), (5177, 77592), (5673, 70808), (6466, 62124), (6572, 61122), (7564, 53106), (8851, 45384), (9699, 41416), (9858, 40748), (10187, 39432), (10354, 38796), (11346, 35404), (12932, 31062), (13144, 30561), (15128, 26553), (15531, 25864), (17702, 22692), (19398, 20708), (19716, 20374)]