31319236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 32184764

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 71, 142, 221, 284, 442, 499, 884, 923, 998, 1207, 1846, 1996, 2414, 3692, 4828, 6487, 8483, 12974, 15691, 16966, 25948, 31382, 33932, 35429, 62764, 70858, 110279, 141716, 220558, 441116, 460577, 602293, 921154, 1204586, 1842308, 2409172, 7829809, 15659618, 31319236]

約数ペア:

[(1, 31319236), (2, 15659618), (4, 7829809), (13, 2409172), (17, 1842308), (26, 1204586), (34, 921154), (52, 602293), (68, 460577), (71, 441116), (142, 220558), (221, 141716), (284, 110279), (442, 70858), (499, 62764), (884, 35429), (923, 33932), (998, 31382), (1207, 25948), (1846, 16966), (1996, 15691), (2414, 12974), (3692, 8483), (4828, 6487)]