28531818

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 47310102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 49, 54, 63, 82, 98, 123, 126, 147, 189, 246, 263, 287, 294, 369, 378, 441, 526, 574, 738, 789, 861, 882, 1107, 1323, 1578, 1722, 1841, 2009, 2214, 2367, 2583, 2646, 3682, 4018, 4734, 5166, 5523, 6027, 7101, 7749, 10783, 11046, 12054, 12887, 14202, 15498, 16569, 18081, 21566, 25774, 32349, 33138, 36162, 38661, 49707, 54243, 64698, 75481, 77322, 97047, 99414, 108486, 115983, 150962, 194094, 226443, 231966, 291141, 347949, 452886, 528367, 582282, 679329, 695898, 1056734, 1358658, 1585101, 2037987, 3170202, 4075974, 4755303, 9510606, 14265909, 28531818]

約数ペア:

[(1, 28531818), (2, 14265909), (3, 9510606), (6, 4755303), (7, 4075974), (9, 3170202), (14, 2037987), (18, 1585101), (21, 1358658), (27, 1056734), (41, 695898), (42, 679329), (49, 582282), (54, 528367), (63, 452886), (82, 347949), (98, 291141), (123, 231966), (126, 226443), (147, 194094), (189, 150962), (246, 115983), (263, 108486), (287, 99414), (294, 97047), (369, 77322), (378, 75481), (441, 64698), (526, 54243), (574, 49707), (738, 38661), (789, 36162), (861, 33138), (882, 32349), (1107, 25774), (1323, 21566), (1578, 18081), (1722, 16569), (1841, 15498), (2009, 14202), (2214, 12887), (2367, 12054), (2583, 11046), (2646, 10783), (3682, 7749), (4018, 7101), (4734, 6027), (5166, 5523)]