31579548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 100101120

約数和(自身を除く): 68521572

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 154, 156, 182, 231, 239, 242, 273, 286, 308, 363, 364, 429, 462, 478, 484, 546, 572, 717, 726, 847, 858, 924, 956, 1001, 1092, 1434, 1452, 1573, 1673, 1694, 1716, 2002, 2541, 2629, 2868, 3003, 3107, 3146, 3346, 3388, 4004, 4719, 5019, 5082, 5258, 6006, 6214, 6292, 6692, 7887, 9321, 9438, 10038, 10164, 10516, 11011, 12012, 12428, 15774, 18403, 18642, 18876, 20076, 21749, 22022, 28919, 31548, 33033, 34177, 36806, 37284, 43498, 44044, 55209, 57838, 65247, 66066, 68354, 73612, 86757, 86996, 102531, 110418, 115676, 130494, 132132, 136708, 173514, 202433, 205062, 220836, 239239, 260988, 347028, 375947, 404866, 410124, 478478, 607299, 717717, 751894, 809732, 956956, 1127841, 1214598, 1435434, 1503788, 2255682, 2429196, 2631629, 2870868, 4511364, 5263258, 7894887, 10526516, 15789774, 31579548]

約数ペア:

[(1, 31579548), (2, 15789774), (3, 10526516), (4, 7894887), (6, 5263258), (7, 4511364), (11, 2870868), (12, 2631629), (13, 2429196), (14, 2255682), (21, 1503788), (22, 1435434), (26, 1214598), (28, 1127841), (33, 956956), (39, 809732), (42, 751894), (44, 717717), (52, 607299), (66, 478478), (77, 410124), (78, 404866), (84, 375947), (91, 347028), (121, 260988), (132, 239239), (143, 220836), (154, 205062), (156, 202433), (182, 173514), (231, 136708), (239, 132132), (242, 130494), (273, 115676), (286, 110418), (308, 102531), (363, 86996), (364, 86757), (429, 73612), (462, 68354), (478, 66066), (484, 65247), (546, 57838), (572, 55209), (717, 44044), (726, 43498), (847, 37284), (858, 36806), (924, 34177), (956, 33033), (1001, 31548), (1092, 28919), (1434, 22022), (1452, 21749), (1573, 20076), (1673, 18876), (1694, 18642), (1716, 18403), (2002, 15774), (2541, 12428), (2629, 12012), (2868, 11011), (3003, 10516), (3107, 10164), (3146, 10038), (3346, 9438), (3388, 9321), (4004, 7887), (4719, 6692), (5019, 6292), (5082, 6214), (5258, 6006)]