31396246

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 30189674

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 53, 106, 119, 131, 133, 238, 262, 266, 323, 371, 646, 742, 901, 917, 1007, 1802, 1834, 2014, 2227, 2261, 2489, 4454, 4522, 4978, 6307, 6943, 7049, 12614, 13886, 14098, 15589, 17119, 17423, 31178, 34238, 34846, 42313, 48601, 84626, 97202, 118031, 119833, 131917, 236062, 239666, 263834, 296191, 592382, 826217, 923419, 1652434, 1846838, 2242589, 4485178, 15698123, 31396246]

約数ペア:

[(1, 31396246), (2, 15698123), (7, 4485178), (14, 2242589), (17, 1846838), (19, 1652434), (34, 923419), (38, 826217), (53, 592382), (106, 296191), (119, 263834), (131, 239666), (133, 236062), (238, 131917), (262, 119833), (266, 118031), (323, 97202), (371, 84626), (646, 48601), (742, 42313), (901, 34846), (917, 34238), (1007, 31178), (1802, 17423), (1834, 17119), (2014, 15589), (2227, 14098), (2261, 13886), (2489, 12614), (4454, 7049), (4522, 6943), (4978, 6307)]