219376388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 489422976

約数和(自身を除く): 270046588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 484, 511, 803, 847, 887, 1022, 1606, 1694, 1774, 2044, 3212, 3388, 3548, 5621, 6209, 8833, 9757, 11242, 12418, 17666, 19514, 22484, 24836, 35332, 39028, 61831, 64751, 68299, 107327, 123662, 129502, 136598, 214654, 247324, 259004, 273196, 429308, 453257, 712261, 751289, 906514, 1424522, 1502578, 1813028, 2849044, 3005156, 4985827, 7834871, 9971654, 15669742, 19943308, 31339484, 54844097, 109688194, 219376388]

約数ペア:

[(1, 219376388), (2, 109688194), (4, 54844097), (7, 31339484), (11, 19943308), (14, 15669742), (22, 9971654), (28, 7834871), (44, 4985827), (73, 3005156), (77, 2849044), (121, 1813028), (146, 1502578), (154, 1424522), (242, 906514), (292, 751289), (308, 712261), (484, 453257), (511, 429308), (803, 273196), (847, 259004), (887, 247324), (1022, 214654), (1606, 136598), (1694, 129502), (1774, 123662), (2044, 107327), (3212, 68299), (3388, 64751), (3548, 61831), (5621, 39028), (6209, 35332), (8833, 24836), (9757, 22484), (11242, 19514), (12418, 17666)]