1999970076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{751}}^1$

素因数の和:1211

約数の個数: 96

約数和(自身を含む): 5162257408

約数和(自身を除く): 3162287332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 397, 516, 559, 751, 794, 1118, 1191, 1502, 1588, 1677, 2236, 2253, 2382, 3004, 3354, 4506, 4764, 5161, 6708, 9012, 9763, 10322, 15483, 17071, 19526, 20644, 29289, 30966, 32293, 34142, 39052, 51213, 58578, 61932, 64586, 68284, 96879, 102426, 117156, 129172, 193758, 204852, 221923, 298147, 387516, 419809, 443846, 596294, 665769, 839618, 887692, 894441, 1192588, 1259427, 1331538, 1679236, 1788882, 2518854, 2663076, 3577764, 3875911, 5037708, 7751822, 11627733, 12820321, 15503644, 23255466, 25640642, 38460963, 46510932, 51281284, 76921926, 153843852, 166664173, 333328346, 499992519, 666656692, 999985038, 1999970076]

約数ペア:

[(1, 1999970076), (2, 999985038), (3, 666656692), (4, 499992519), (6, 333328346), (12, 166664173), (13, 153843852), (26, 76921926), (39, 51281284), (43, 46510932), (52, 38460963), (78, 25640642), (86, 23255466), (129, 15503644), (156, 12820321), (172, 11627733), (258, 7751822), (397, 5037708), (516, 3875911), (559, 3577764), (751, 2663076), (794, 2518854), (1118, 1788882), (1191, 1679236), (1502, 1331538), (1588, 1259427), (1677, 1192588), (2236, 894441), (2253, 887692), (2382, 839618), (3004, 665769), (3354, 596294), (4506, 443846), (4764, 419809), (5161, 387516), (6708, 298147), (9012, 221923), (9763, 204852), (10322, 193758), (15483, 129172), (17071, 117156), (19526, 102426), (20644, 96879), (29289, 68284), (30966, 64586), (32293, 61932), (34142, 58578), (39052, 51213)]