644112

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{71}}^1$

素因数の和:98

約数の個数: 100

約数和(自身を含む): 2160576

約数和(自身を除く): 1516464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 71, 72, 81, 84, 108, 112, 126, 142, 144, 162, 168, 189, 213, 216, 252, 284, 324, 336, 378, 426, 432, 497, 504, 567, 568, 639, 648, 756, 852, 994, 1008, 1134, 1136, 1278, 1296, 1491, 1512, 1704, 1917, 1988, 2268, 2556, 2982, 3024, 3408, 3834, 3976, 4473, 4536, 5112, 5751, 5964, 7668, 7952, 8946, 9072, 10224, 11502, 11928, 13419, 15336, 17892, 23004, 23856, 26838, 30672, 35784, 40257, 46008, 53676, 71568, 80514, 92016, 107352, 161028, 214704, 322056, 644112]

約数ペア:

[(1, 644112), (2, 322056), (3, 214704), (4, 161028), (6, 107352), (7, 92016), (8, 80514), (9, 71568), (12, 53676), (14, 46008), (16, 40257), (18, 35784), (21, 30672), (24, 26838), (27, 23856), (28, 23004), (36, 17892), (42, 15336), (48, 13419), (54, 11928), (56, 11502), (63, 10224), (71, 9072), (72, 8946), (81, 7952), (84, 7668), (108, 5964), (112, 5751), (126, 5112), (142, 4536), (144, 4473), (162, 3976), (168, 3834), (189, 3408), (213, 3024), (216, 2982), (252, 2556), (284, 2268), (324, 1988), (336, 1917), (378, 1704), (426, 1512), (432, 1491), (497, 1296), (504, 1278), (567, 1136), (568, 1134), (639, 1008), (648, 994), (756, 852)]