251851236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 738347904

約数和(自身を除く): 486496668

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 113, 156, 157, 169, 182, 226, 273, 314, 338, 339, 364, 452, 471, 507, 546, 628, 676, 678, 791, 942, 1014, 1092, 1099, 1183, 1356, 1469, 1582, 1884, 2028, 2041, 2198, 2366, 2373, 2938, 3164, 3297, 3549, 4082, 4396, 4407, 4732, 4746, 5876, 6123, 6594, 7098, 8164, 8814, 9492, 10283, 12246, 13188, 14196, 14287, 17628, 17741, 19097, 20566, 24492, 26533, 28574, 30849, 35482, 38194, 41132, 42861, 53066, 53223, 57148, 57291, 61698, 70964, 76388, 79599, 85722, 106132, 106446, 114582, 123396, 124187, 133679, 159198, 171444, 185731, 212892, 229164, 230633, 248374, 267358, 318396, 371462, 372561, 401037, 461266, 496748, 534716, 557193, 691899, 742924, 745122, 802074, 922532, 1114386, 1383798, 1490244, 1604148, 1614431, 2228772, 2767596, 2998229, 3228862, 4843293, 5996458, 6457724, 8994687, 9686586, 11992916, 17989374, 19373172, 20987603, 35978748, 41975206, 62962809, 83950412, 125925618, 251851236]

約数ペア:

[(1, 251851236), (2, 125925618), (3, 83950412), (4, 62962809), (6, 41975206), (7, 35978748), (12, 20987603), (13, 19373172), (14, 17989374), (21, 11992916), (26, 9686586), (28, 8994687), (39, 6457724), (42, 5996458), (52, 4843293), (78, 3228862), (84, 2998229), (91, 2767596), (113, 2228772), (156, 1614431), (157, 1604148), (169, 1490244), (182, 1383798), (226, 1114386), (273, 922532), (314, 802074), (338, 745122), (339, 742924), (364, 691899), (452, 557193), (471, 534716), (507, 496748), (546, 461266), (628, 401037), (676, 372561), (678, 371462), (791, 318396), (942, 267358), (1014, 248374), (1092, 230633), (1099, 229164), (1183, 212892), (1356, 185731), (1469, 171444), (1582, 159198), (1884, 133679), (2028, 124187), (2041, 123396), (2198, 114582), (2366, 106446), (2373, 106132), (2938, 85722), (3164, 79599), (3297, 76388), (3549, 70964), (4082, 61698), (4396, 57291), (4407, 57148), (4732, 53223), (4746, 53066), (5876, 42861), (6123, 41132), (6594, 38194), (7098, 35482), (8164, 30849), (8814, 28574), (9492, 26533), (10283, 24492), (12246, 20566), (13188, 19097), (14196, 17741), (14287, 17628)]