1991123862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{9049}}^1$

素因数の和:9118

約数の個数: 96

約数和(自身を含む): 5087692800

約数和(自身を除く): 3096568938

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 169, 182, 186, 217, 273, 338, 403, 434, 507, 546, 651, 806, 1014, 1183, 1209, 1302, 2366, 2418, 2821, 3549, 5239, 5642, 7098, 8463, 9049, 10478, 15717, 16926, 18098, 27147, 31434, 36673, 54294, 63343, 73346, 110019, 117637, 126686, 190029, 220038, 235274, 280519, 352911, 380058, 561038, 705822, 823459, 841557, 1529281, 1646918, 1683114, 1963633, 2470377, 3058562, 3646747, 3927266, 4587843, 4940754, 5890899, 7293494, 9175686, 10704967, 10940241, 11781798, 21409934, 21880482, 25527229, 32114901, 47407711, 51054458, 64229802, 76581687, 94815422, 142223133, 153163374, 284446266, 331853977, 663707954, 995561931, 1991123862]

約数ペア:

[(1, 1991123862), (2, 995561931), (3, 663707954), (6, 331853977), (7, 284446266), (13, 153163374), (14, 142223133), (21, 94815422), (26, 76581687), (31, 64229802), (39, 51054458), (42, 47407711), (62, 32114901), (78, 25527229), (91, 21880482), (93, 21409934), (169, 11781798), (182, 10940241), (186, 10704967), (217, 9175686), (273, 7293494), (338, 5890899), (403, 4940754), (434, 4587843), (507, 3927266), (546, 3646747), (651, 3058562), (806, 2470377), (1014, 1963633), (1183, 1683114), (1209, 1646918), (1302, 1529281), (2366, 841557), (2418, 823459), (2821, 705822), (3549, 561038), (5239, 380058), (5642, 352911), (7098, 280519), (8463, 235274), (9049, 220038), (10478, 190029), (15717, 126686), (16926, 117637), (18098, 110019), (27147, 73346), (31434, 63343), (36673, 54294)]