398960744

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1103

約数の個数: 96

約数和(自身を含む): 949939200

約数和(自身を除く): 550978456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 79, 91, 98, 104, 158, 182, 196, 316, 364, 392, 553, 632, 637, 728, 991, 1027, 1106, 1274, 1982, 2054, 2212, 2548, 3871, 3964, 4108, 4424, 5096, 6937, 7189, 7742, 7928, 8216, 12883, 13874, 14378, 15484, 25766, 27748, 28756, 30968, 48559, 50323, 51532, 55496, 57512, 78289, 90181, 97118, 100646, 103064, 156578, 180362, 194236, 201292, 313156, 360724, 388472, 402584, 548023, 626312, 631267, 721448, 1017757, 1096046, 1262534, 2035514, 2192092, 2525068, 3836161, 4071028, 4384184, 5050136, 7124299, 7672322, 8142056, 14248598, 15344644, 28497196, 30689288, 49870093, 56994392, 99740186, 199480372, 398960744]

約数ペア:

[(1, 398960744), (2, 199480372), (4, 99740186), (7, 56994392), (8, 49870093), (13, 30689288), (14, 28497196), (26, 15344644), (28, 14248598), (49, 8142056), (52, 7672322), (56, 7124299), (79, 5050136), (91, 4384184), (98, 4071028), (104, 3836161), (158, 2525068), (182, 2192092), (196, 2035514), (316, 1262534), (364, 1096046), (392, 1017757), (553, 721448), (632, 631267), (637, 626312), (728, 548023), (991, 402584), (1027, 388472), (1106, 360724), (1274, 313156), (1982, 201292), (2054, 194236), (2212, 180362), (2548, 156578), (3871, 103064), (3964, 100646), (4108, 97118), (4424, 90181), (5096, 78289), (6937, 57512), (7189, 55496), (7742, 51532), (7928, 50323), (8216, 48559), (12883, 30968), (13874, 28756), (14378, 27748), (15484, 25766)]