639644292

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{41611}}^1$

素因数の和:41689

約数の個数: 72

約数和(自身を含む): 1878199232

約数和(自身を除く): 1238554940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372, 41611, 83222, 124833, 166444, 249666, 291277, 374499, 499332, 582554, 748998, 873831, 1165108, 1497996, 1747662, 2538271, 2621493, 3495324, 5076542, 5242986, 7614813, 10153084, 10485972, 15229626, 17767897, 22844439, 30459252, 35535794, 45688878, 53303691, 71071588, 91377756, 106607382, 159911073, 213214764, 319822146, 639644292]

約数ペア:

[(1, 639644292), (2, 319822146), (3, 213214764), (4, 159911073), (6, 106607382), (7, 91377756), (9, 71071588), (12, 53303691), (14, 45688878), (18, 35535794), (21, 30459252), (28, 22844439), (36, 17767897), (42, 15229626), (61, 10485972), (63, 10153084), (84, 7614813), (122, 5242986), (126, 5076542), (183, 3495324), (244, 2621493), (252, 2538271), (366, 1747662), (427, 1497996), (549, 1165108), (732, 873831), (854, 748998), (1098, 582554), (1281, 499332), (1708, 374499), (2196, 291277), (2562, 249666), (3843, 166444), (5124, 124833), (7686, 83222), (15372, 41611)]