15721794140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3556967}}^1$

素因数の和:3557006

約数の個数: 48

約数和(自身を含む): 37646949312

約数和(自身を除く): 21925155172

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 3556967, 7113934, 14227868, 17784835, 35569670, 46240571, 60468439, 71139340, 92481142, 120936878, 184962284, 231202855, 241873756, 302342195, 462405710, 604684390, 786089707, 924811420, 1209368780, 1572179414, 3144358828, 3930448535, 7860897070, 15721794140]

約数ペア:

[(1, 15721794140), (2, 7860897070), (4, 3930448535), (5, 3144358828), (10, 1572179414), (13, 1209368780), (17, 924811420), (20, 786089707), (26, 604684390), (34, 462405710), (52, 302342195), (65, 241873756), (68, 231202855), (85, 184962284), (130, 120936878), (170, 92481142), (221, 71139340), (260, 60468439), (340, 46240571), (442, 35569670), (884, 17784835), (1105, 14227868), (2210, 7113934), (4420, 3556967)]