247282776

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 743586480

約数和(自身を除く): 496303704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 71, 72, 78, 104, 117, 122, 142, 156, 183, 213, 234, 244, 284, 312, 366, 426, 468, 488, 549, 568, 639, 732, 793, 852, 923, 936, 1098, 1278, 1464, 1586, 1704, 1846, 2196, 2379, 2556, 2769, 3172, 3692, 3721, 4331, 4392, 4758, 5112, 5538, 6344, 7137, 7384, 7442, 8307, 8662, 9516, 11076, 11163, 12993, 14274, 14884, 16614, 17324, 19032, 22152, 22326, 25986, 28548, 29768, 33228, 33489, 34648, 38979, 44652, 48373, 51972, 56303, 57096, 66456, 66978, 77958, 89304, 96746, 103944, 112606, 133956, 145119, 155916, 168909, 193492, 225212, 264191, 267912, 290238, 311832, 337818, 386984, 435357, 450424, 506727, 528382, 580476, 675636, 792573, 870714, 1013454, 1056764, 1160952, 1351272, 1585146, 1741428, 2026908, 2113528, 2377719, 3170292, 3434483, 3482856, 4053816, 4755438, 6340584, 6868966, 9510876, 10303449, 13737932, 19021752, 20606898, 27475864, 30910347, 41213796, 61820694, 82427592, 123641388, 247282776]

約数ペア:

[(1, 247282776), (2, 123641388), (3, 82427592), (4, 61820694), (6, 41213796), (8, 30910347), (9, 27475864), (12, 20606898), (13, 19021752), (18, 13737932), (24, 10303449), (26, 9510876), (36, 6868966), (39, 6340584), (52, 4755438), (61, 4053816), (71, 3482856), (72, 3434483), (78, 3170292), (104, 2377719), (117, 2113528), (122, 2026908), (142, 1741428), (156, 1585146), (183, 1351272), (213, 1160952), (234, 1056764), (244, 1013454), (284, 870714), (312, 792573), (366, 675636), (426, 580476), (468, 528382), (488, 506727), (549, 450424), (568, 435357), (639, 386984), (732, 337818), (793, 311832), (852, 290238), (923, 267912), (936, 264191), (1098, 225212), (1278, 193492), (1464, 168909), (1586, 155916), (1704, 145119), (1846, 133956), (2196, 112606), (2379, 103944), (2556, 96746), (2769, 89304), (3172, 77958), (3692, 66978), (3721, 66456), (4331, 57096), (4392, 56303), (4758, 51972), (5112, 48373), (5538, 44652), (6344, 38979), (7137, 34648), (7384, 33489), (7442, 33228), (8307, 29768), (8662, 28548), (9516, 25986), (11076, 22326), (11163, 22152), (12993, 19032), (14274, 17324), (14884, 16614)]