221659984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{152239}}^1$

素因数の和:152267

約数の個数: 40

約数和(自身を含む): 528577280

約数和(自身を除く): 306917296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 152239, 304478, 608956, 1065673, 1217912, 1979107, 2131346, 2435824, 3958214, 4262692, 7916428, 8525384, 13853749, 15832856, 17050768, 27707498, 31665712, 55414996, 110829992, 221659984]

約数ペア:

[(1, 221659984), (2, 110829992), (4, 55414996), (7, 31665712), (8, 27707498), (13, 17050768), (14, 15832856), (16, 13853749), (26, 8525384), (28, 7916428), (52, 4262692), (56, 3958214), (91, 2435824), (104, 2131346), (112, 1979107), (182, 1217912), (208, 1065673), (364, 608956), (728, 304478), (1456, 152239)]