31137184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 69139980

約数和(自身を除く): 38002796

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 89, 104, 116, 178, 208, 232, 356, 377, 416, 464, 712, 754, 841, 928, 1157, 1424, 1508, 1682, 2314, 2581, 2848, 3016, 3364, 4628, 5162, 6032, 6728, 9256, 10324, 10933, 12064, 13456, 18512, 20648, 21866, 26912, 33553, 37024, 41296, 43732, 67106, 74849, 82592, 87464, 134212, 149698, 174928, 268424, 299396, 349856, 536848, 598792, 973037, 1073696, 1197584, 1946074, 2395168, 3892148, 7784296, 15568592, 31137184]

約数ペア:

[(1, 31137184), (2, 15568592), (4, 7784296), (8, 3892148), (13, 2395168), (16, 1946074), (26, 1197584), (29, 1073696), (32, 973037), (52, 598792), (58, 536848), (89, 349856), (104, 299396), (116, 268424), (178, 174928), (208, 149698), (232, 134212), (356, 87464), (377, 82592), (416, 74849), (464, 67106), (712, 43732), (754, 41296), (841, 37024), (928, 33553), (1157, 26912), (1424, 21866), (1508, 20648), (1682, 18512), (2314, 13456), (2581, 12064), (2848, 10933), (3016, 10324), (3364, 9256), (4628, 6728), (5162, 6032)]