1258252808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 2527848000

約数和(自身を除く): 1269595192

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 281, 331, 356, 562, 662, 712, 1124, 1324, 1691, 2248, 2648, 3382, 5339, 6289, 6764, 10678, 12578, 13528, 21356, 25009, 25156, 29459, 42712, 50018, 50312, 58918, 93011, 100036, 117836, 186022, 200072, 235672, 372044, 475171, 559721, 744088, 950342, 1119442, 1767209, 1900684, 2238884, 3534418, 3801368, 4477768, 7068836, 8277979, 14137672, 16555958, 33111916, 66223832, 157281601, 314563202, 629126404, 1258252808]

約数ペア:

[(1, 1258252808), (2, 629126404), (4, 314563202), (8, 157281601), (19, 66223832), (38, 33111916), (76, 16555958), (89, 14137672), (152, 8277979), (178, 7068836), (281, 4477768), (331, 3801368), (356, 3534418), (562, 2238884), (662, 1900684), (712, 1767209), (1124, 1119442), (1324, 950342), (1691, 744088), (2248, 559721), (2648, 475171), (3382, 372044), (5339, 235672), (6289, 200072), (6764, 186022), (10678, 117836), (12578, 100036), (13528, 93011), (21356, 58918), (25009, 50312), (25156, 50018), (29459, 42712)]