31761236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 69995520

約数和(自身を除く): 38234284

約数列:

[1, 2, 4, 13, 17, 19, 26, 31, 34, 38, 52, 61, 62, 68, 76, 122, 124, 221, 244, 247, 323, 403, 442, 494, 527, 589, 646, 793, 806, 884, 988, 1037, 1054, 1159, 1178, 1292, 1586, 1612, 1891, 2074, 2108, 2318, 2356, 3172, 3782, 4148, 4199, 4636, 6851, 7564, 7657, 8398, 10013, 13481, 13702, 15067, 15314, 16796, 19703, 20026, 24583, 26962, 27404, 30134, 30628, 32147, 35929, 39406, 40052, 49166, 53924, 60268, 64294, 71858, 78812, 98332, 128588, 130169, 143716, 256139, 260338, 417911, 467077, 512278, 520676, 610793, 835822, 934154, 1024556, 1221586, 1671644, 1868308, 2443172, 7940309, 15880618, 31761236]

約数ペア:

[(1, 31761236), (2, 15880618), (4, 7940309), (13, 2443172), (17, 1868308), (19, 1671644), (26, 1221586), (31, 1024556), (34, 934154), (38, 835822), (52, 610793), (61, 520676), (62, 512278), (68, 467077), (76, 417911), (122, 260338), (124, 256139), (221, 143716), (244, 130169), (247, 128588), (323, 98332), (403, 78812), (442, 71858), (494, 64294), (527, 60268), (589, 53924), (646, 49166), (793, 40052), (806, 39406), (884, 35929), (988, 32147), (1037, 30628), (1054, 30134), (1159, 27404), (1178, 26962), (1292, 24583), (1586, 20026), (1612, 19703), (1891, 16796), (2074, 15314), (2108, 15067), (2318, 13702), (2356, 13481), (3172, 10013), (3782, 8398), (4148, 7657), (4199, 7564), (4636, 6851)]