81563976

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:996

約数の個数: 128

約数和(自身を含む): 252134400

約数和(自身を除く): 170570424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 93, 104, 108, 117, 124, 156, 186, 216, 234, 248, 279, 312, 351, 372, 403, 468, 558, 702, 744, 806, 837, 936, 937, 1116, 1209, 1404, 1612, 1674, 1874, 2232, 2418, 2808, 2811, 3224, 3348, 3627, 3748, 4836, 5622, 6696, 7254, 7496, 8433, 9672, 10881, 11244, 12181, 14508, 16866, 21762, 22488, 24362, 25299, 29016, 29047, 33732, 36543, 43524, 48724, 50598, 58094, 67464, 73086, 87048, 87141, 97448, 101196, 109629, 116188, 146172, 174282, 202392, 219258, 232376, 261423, 292344, 328887, 348564, 377611, 438516, 522846, 657774, 697128, 755222, 784269, 877032, 1045692, 1132833, 1315548, 1510444, 1568538, 2091384, 2265666, 2631096, 3020888, 3137076, 3398499, 4531332, 6274152, 6796998, 9062664, 10195497, 13593996, 20390994, 27187992, 40781988, 81563976]

約数ペア:

[(1, 81563976), (2, 40781988), (3, 27187992), (4, 20390994), (6, 13593996), (8, 10195497), (9, 9062664), (12, 6796998), (13, 6274152), (18, 4531332), (24, 3398499), (26, 3137076), (27, 3020888), (31, 2631096), (36, 2265666), (39, 2091384), (52, 1568538), (54, 1510444), (62, 1315548), (72, 1132833), (78, 1045692), (93, 877032), (104, 784269), (108, 755222), (117, 697128), (124, 657774), (156, 522846), (186, 438516), (216, 377611), (234, 348564), (248, 328887), (279, 292344), (312, 261423), (351, 232376), (372, 219258), (403, 202392), (468, 174282), (558, 146172), (702, 116188), (744, 109629), (806, 101196), (837, 97448), (936, 87141), (937, 87048), (1116, 73086), (1209, 67464), (1404, 58094), (1612, 50598), (1674, 48724), (1874, 43524), (2232, 36543), (2418, 33732), (2808, 29047), (2811, 29016), (3224, 25299), (3348, 24362), (3627, 22488), (3748, 21762), (4836, 16866), (5622, 14508), (6696, 12181), (7254, 11244), (7496, 10881), (8433, 9672)]