81256884

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 207863040

約数和(自身を除く): 126606156

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 73, 74, 92, 109, 111, 138, 146, 148, 218, 219, 222, 276, 292, 327, 436, 438, 444, 654, 851, 876, 1308, 1679, 1702, 2507, 2553, 2701, 3358, 3404, 4033, 5014, 5037, 5106, 5402, 6716, 7521, 7957, 8066, 8103, 10028, 10074, 10212, 10804, 12099, 15042, 15914, 16132, 16206, 20148, 23871, 24198, 30084, 31828, 32412, 47742, 48396, 62123, 92759, 95484, 124246, 183011, 185518, 186369, 248492, 278277, 294409, 366022, 371036, 372738, 549033, 556554, 588818, 732044, 745476, 883227, 1098066, 1113108, 1177636, 1766454, 2196132, 3532908, 6771407, 13542814, 20314221, 27085628, 40628442, 81256884]

約数ペア:

[(1, 81256884), (2, 40628442), (3, 27085628), (4, 20314221), (6, 13542814), (12, 6771407), (23, 3532908), (37, 2196132), (46, 1766454), (69, 1177636), (73, 1113108), (74, 1098066), (92, 883227), (109, 745476), (111, 732044), (138, 588818), (146, 556554), (148, 549033), (218, 372738), (219, 371036), (222, 366022), (276, 294409), (292, 278277), (327, 248492), (436, 186369), (438, 185518), (444, 183011), (654, 124246), (851, 95484), (876, 92759), (1308, 62123), (1679, 48396), (1702, 47742), (2507, 32412), (2553, 31828), (2701, 30084), (3358, 24198), (3404, 23871), (4033, 20148), (5014, 16206), (5037, 16132), (5106, 15914), (5402, 15042), (6716, 12099), (7521, 10804), (7957, 10212), (8066, 10074), (8103, 10028)]