211069820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6197}}^1$

素因数の和:6350

約数の個数: 48

約数和(自身を含む): 481063968

約数和(自身を除く): 269994148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6197, 6812, 8515, 12394, 17030, 24788, 30985, 34060, 61970, 80561, 123940, 161122, 322244, 402805, 805610, 811807, 1611220, 1623614, 3247228, 4059035, 8118070, 10553491, 16236140, 21106982, 42213964, 52767455, 105534910, 211069820]

約数ペア:

[(1, 211069820), (2, 105534910), (4, 52767455), (5, 42213964), (10, 21106982), (13, 16236140), (20, 10553491), (26, 8118070), (52, 4059035), (65, 3247228), (130, 1623614), (131, 1611220), (260, 811807), (262, 805610), (524, 402805), (655, 322244), (1310, 161122), (1703, 123940), (2620, 80561), (3406, 61970), (6197, 34060), (6812, 30985), (8515, 24788), (12394, 17030)]