28784496

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 80855936

約数和(自身を除く): 52071440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 163, 208, 283, 312, 326, 489, 566, 624, 652, 849, 978, 1132, 1304, 1698, 1956, 2119, 2264, 2608, 3396, 3679, 3912, 4238, 4528, 6357, 6792, 7358, 7824, 8476, 11037, 12714, 13584, 14716, 16952, 22074, 25428, 29432, 33904, 44148, 46129, 50856, 58864, 88296, 92258, 101712, 138387, 176592, 184516, 276774, 369032, 553548, 599677, 738064, 1107096, 1199354, 1799031, 2214192, 2398708, 3598062, 4797416, 7196124, 9594832, 14392248, 28784496]

約数ペア:

[(1, 28784496), (2, 14392248), (3, 9594832), (4, 7196124), (6, 4797416), (8, 3598062), (12, 2398708), (13, 2214192), (16, 1799031), (24, 1199354), (26, 1107096), (39, 738064), (48, 599677), (52, 553548), (78, 369032), (104, 276774), (156, 184516), (163, 176592), (208, 138387), (283, 101712), (312, 92258), (326, 88296), (489, 58864), (566, 50856), (624, 46129), (652, 44148), (849, 33904), (978, 29432), (1132, 25428), (1304, 22074), (1698, 16952), (1956, 14716), (2119, 13584), (2264, 12714), (2608, 11037), (3396, 8476), (3679, 7824), (3912, 7358), (4238, 6792), (4528, 6357)]