28234076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 60787440

約数和(自身を除く): 32553364

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 41, 52, 68, 76, 82, 164, 221, 247, 323, 442, 494, 533, 646, 697, 779, 884, 988, 1066, 1292, 1394, 1558, 1681, 2132, 2788, 3116, 3362, 4199, 6724, 8398, 9061, 10127, 13243, 16796, 18122, 20254, 21853, 26486, 28577, 31939, 36244, 40508, 43706, 52972, 57154, 63878, 87412, 114308, 127756, 172159, 344318, 371501, 415207, 542963, 688636, 743002, 830414, 1085926, 1486004, 1660828, 2171852, 7058519, 14117038, 28234076]

約数ペア:

[(1, 28234076), (2, 14117038), (4, 7058519), (13, 2171852), (17, 1660828), (19, 1486004), (26, 1085926), (34, 830414), (38, 743002), (41, 688636), (52, 542963), (68, 415207), (76, 371501), (82, 344318), (164, 172159), (221, 127756), (247, 114308), (323, 87412), (442, 63878), (494, 57154), (533, 52972), (646, 43706), (697, 40508), (779, 36244), (884, 31939), (988, 28577), (1066, 26486), (1292, 21853), (1394, 20254), (1558, 18122), (1681, 16796), (2132, 13243), (2788, 10127), (3116, 9061), (3362, 8398), (4199, 6724)]