403428172

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 861278208

約数和(自身を除く): 457850036

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 67, 98, 124, 134, 196, 217, 268, 434, 469, 868, 938, 991, 1519, 1876, 1982, 2077, 3038, 3283, 3964, 4154, 6076, 6566, 6937, 8308, 13132, 13874, 14539, 27748, 29078, 30721, 48559, 58156, 61442, 66397, 97118, 101773, 122884, 132794, 194236, 203546, 215047, 265588, 407092, 430094, 464779, 860188, 929558, 1505329, 1859116, 2058307, 3010658, 3253453, 4116614, 6021316, 6506906, 8233228, 13013812, 14408149, 28816298, 57632596, 100857043, 201714086, 403428172]

約数ペア:

[(1, 403428172), (2, 201714086), (4, 100857043), (7, 57632596), (14, 28816298), (28, 14408149), (31, 13013812), (49, 8233228), (62, 6506906), (67, 6021316), (98, 4116614), (124, 3253453), (134, 3010658), (196, 2058307), (217, 1859116), (268, 1505329), (434, 929558), (469, 860188), (868, 464779), (938, 430094), (991, 407092), (1519, 265588), (1876, 215047), (1982, 203546), (2077, 194236), (3038, 132794), (3283, 122884), (3964, 101773), (4154, 97118), (6076, 66397), (6566, 61442), (6937, 58156), (8308, 48559), (13132, 30721), (13874, 29078), (14539, 27748)]