398535948

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{719}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 1026043200

約数和(自身を除く): 627507252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 173, 178, 267, 346, 356, 519, 534, 692, 719, 801, 1038, 1068, 1438, 1557, 1602, 2076, 2157, 2876, 3114, 3204, 4314, 6228, 6471, 8628, 12942, 15397, 25884, 30794, 46191, 61588, 63991, 92382, 124387, 127982, 138573, 184764, 191973, 248774, 255964, 277146, 373161, 383946, 497548, 554292, 575919, 746322, 767892, 1119483, 1151838, 1492644, 2238966, 2303676, 4477932, 11070443, 22140886, 33211329, 44281772, 66422658, 99633987, 132845316, 199267974, 398535948]

約数ペア:

[(1, 398535948), (2, 199267974), (3, 132845316), (4, 99633987), (6, 66422658), (9, 44281772), (12, 33211329), (18, 22140886), (36, 11070443), (89, 4477932), (173, 2303676), (178, 2238966), (267, 1492644), (346, 1151838), (356, 1119483), (519, 767892), (534, 746322), (692, 575919), (719, 554292), (801, 497548), (1038, 383946), (1068, 373161), (1438, 277146), (1557, 255964), (1602, 248774), (2076, 191973), (2157, 184764), (2876, 138573), (3114, 127982), (3204, 124387), (4314, 92382), (6228, 63991), (6471, 61588), (8628, 46191), (12942, 30794), (15397, 25884)]