28647948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 78829632

約数和(自身を除く): 50181684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 83, 84, 98, 147, 166, 196, 249, 294, 332, 498, 581, 587, 588, 996, 1162, 1174, 1743, 1761, 2324, 2348, 3486, 3522, 4067, 4109, 6972, 7044, 8134, 8218, 12201, 12327, 16268, 16436, 24402, 24654, 28763, 48721, 48804, 49308, 57526, 86289, 97442, 115052, 146163, 172578, 194884, 292326, 341047, 345156, 584652, 682094, 1023141, 1364188, 2046282, 2387329, 4092564, 4774658, 7161987, 9549316, 14323974, 28647948]

約数ペア:

[(1, 28647948), (2, 14323974), (3, 9549316), (4, 7161987), (6, 4774658), (7, 4092564), (12, 2387329), (14, 2046282), (21, 1364188), (28, 1023141), (42, 682094), (49, 584652), (83, 345156), (84, 341047), (98, 292326), (147, 194884), (166, 172578), (196, 146163), (249, 115052), (294, 97442), (332, 86289), (498, 57526), (581, 49308), (587, 48804), (588, 48721), (996, 28763), (1162, 24654), (1174, 24402), (1743, 16436), (1761, 16268), (2324, 12327), (2348, 12201), (3486, 8218), (3522, 8134), (4067, 7044), (4109, 6972)]