221325832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16001}}^1$

素因数の和:16046

約数の個数: 64

約数和(自身を含む): 537667200

約数和(自身を除く): 316341368

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 6916, 13832, 16001, 32002, 64004, 112007, 128008, 208013, 224014, 304019, 416026, 448028, 608038, 832052, 896056, 1216076, 1456091, 1664104, 2128133, 2432152, 2912182, 3952247, 4256266, 5824364, 7904494, 8512532, 11648728, 15808988, 17025064, 27665729, 31617976, 55331458, 110662916, 221325832]

約数ペア:

[(1, 221325832), (2, 110662916), (4, 55331458), (7, 31617976), (8, 27665729), (13, 17025064), (14, 15808988), (19, 11648728), (26, 8512532), (28, 7904494), (38, 5824364), (52, 4256266), (56, 3952247), (76, 2912182), (91, 2432152), (104, 2128133), (133, 1664104), (152, 1456091), (182, 1216076), (247, 896056), (266, 832052), (364, 608038), (494, 448028), (532, 416026), (728, 304019), (988, 224014), (1064, 208013), (1729, 128008), (1976, 112007), (3458, 64004), (6916, 32002), (13832, 16001)]