126191390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 255370752

約数和(自身を除く): 129179362

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 173, 181, 310, 346, 362, 403, 806, 865, 905, 1730, 1810, 2015, 2249, 2353, 4030, 4498, 4706, 5363, 5611, 10726, 11222, 11245, 11765, 22490, 23530, 26815, 28055, 31313, 53630, 56110, 62626, 69719, 72943, 139438, 145886, 156565, 313130, 348595, 364715, 407069, 697190, 729430, 814138, 970703, 1941406, 2035345, 4070690, 4853515, 9707030, 12619139, 25238278, 63095695, 126191390]

約数ペア:

[(1, 126191390), (2, 63095695), (5, 25238278), (10, 12619139), (13, 9707030), (26, 4853515), (31, 4070690), (62, 2035345), (65, 1941406), (130, 970703), (155, 814138), (173, 729430), (181, 697190), (310, 407069), (346, 364715), (362, 348595), (403, 313130), (806, 156565), (865, 145886), (905, 139438), (1730, 72943), (1810, 69719), (2015, 62626), (2249, 56110), (2353, 53630), (4030, 31313), (4498, 28055), (4706, 26815), (5363, 23530), (5611, 22490), (10726, 11765), (11222, 11245)]