398772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 1179360

約数和(自身を除く): 780588

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 53, 57, 66, 76, 99, 106, 114, 132, 159, 171, 198, 209, 212, 228, 318, 342, 396, 418, 477, 583, 627, 636, 684, 836, 954, 1007, 1166, 1254, 1749, 1881, 1908, 2014, 2332, 2508, 3021, 3498, 3762, 4028, 5247, 6042, 6996, 7524, 9063, 10494, 11077, 12084, 18126, 20988, 22154, 33231, 36252, 44308, 66462, 99693, 132924, 199386, 398772]

約数ペア:

[(1, 398772), (2, 199386), (3, 132924), (4, 99693), (6, 66462), (9, 44308), (11, 36252), (12, 33231), (18, 22154), (19, 20988), (22, 18126), (33, 12084), (36, 11077), (38, 10494), (44, 9063), (53, 7524), (57, 6996), (66, 6042), (76, 5247), (99, 4028), (106, 3762), (114, 3498), (132, 3021), (159, 2508), (171, 2332), (198, 2014), (209, 1908), (212, 1881), (228, 1749), (318, 1254), (342, 1166), (396, 1007), (418, 954), (477, 836), (583, 684), (627, 636)]