638802004

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 1183424256

約数和(自身を除く): 544622252

約数列:

[1, 2, 4, 47, 53, 61, 94, 106, 122, 188, 212, 244, 1051, 2102, 2491, 2867, 3233, 4204, 4982, 5734, 6466, 9964, 11468, 12932, 49397, 55703, 64111, 98794, 111406, 128222, 151951, 197588, 222812, 256444, 303902, 607804, 2618041, 3013217, 3397883, 5236082, 6026434, 6795766, 10472164, 12052868, 13591532, 159700501, 319401002, 638802004]

約数ペア:

[(1, 638802004), (2, 319401002), (4, 159700501), (47, 13591532), (53, 12052868), (61, 10472164), (94, 6795766), (106, 6026434), (122, 5236082), (188, 3397883), (212, 3013217), (244, 2618041), (1051, 607804), (2102, 303902), (2491, 256444), (2867, 222812), (3233, 197588), (4204, 151951), (4982, 128222), (5734, 111406), (6466, 98794), (9964, 64111), (11468, 55703), (12932, 49397)]