28735448

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 36928552

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 113, 133, 152, 226, 239, 266, 452, 478, 532, 791, 904, 956, 1064, 1582, 1673, 1912, 2147, 3164, 3346, 4294, 4541, 6328, 6692, 8588, 9082, 13384, 15029, 17176, 18164, 27007, 30058, 31787, 36328, 54014, 60116, 63574, 108028, 120232, 127148, 189049, 216056, 254296, 378098, 513133, 756196, 1026266, 1512392, 2052532, 3591931, 4105064, 7183862, 14367724, 28735448]

約数ペア:

[(1, 28735448), (2, 14367724), (4, 7183862), (7, 4105064), (8, 3591931), (14, 2052532), (19, 1512392), (28, 1026266), (38, 756196), (56, 513133), (76, 378098), (113, 254296), (133, 216056), (152, 189049), (226, 127148), (239, 120232), (266, 108028), (452, 63574), (478, 60116), (532, 54014), (791, 36328), (904, 31787), (956, 30058), (1064, 27007), (1582, 18164), (1673, 17176), (1912, 15029), (2147, 13384), (3164, 9082), (3346, 8588), (4294, 6692), (4541, 6328)]