28663856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7253}}^1$

素因数の和:7293

約数の個数: 40

約数和(自身を含む): 62964720

約数和(自身を除く): 34300864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7253, 14506, 29012, 58024, 94289, 116048, 137807, 188578, 275614, 377156, 551228, 754312, 1102456, 1508624, 1791491, 2204912, 3582982, 7165964, 14331928, 28663856]

約数ペア:

[(1, 28663856), (2, 14331928), (4, 7165964), (8, 3582982), (13, 2204912), (16, 1791491), (19, 1508624), (26, 1102456), (38, 754312), (52, 551228), (76, 377156), (104, 275614), (152, 188578), (208, 137807), (247, 116048), (304, 94289), (494, 58024), (988, 29012), (1976, 14506), (3952, 7253)]