212991312

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2980

約数の個数: 80

約数和(自身を含む): 580141440

約数和(自身を除く): 367150128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 53, 58, 87, 106, 116, 159, 174, 212, 232, 318, 348, 424, 464, 636, 696, 848, 1272, 1392, 1537, 2544, 2887, 3074, 4611, 5774, 6148, 8661, 9222, 11548, 12296, 17322, 18444, 23096, 24592, 34644, 36888, 46192, 69288, 73776, 83723, 138576, 153011, 167446, 251169, 306022, 334892, 459033, 502338, 612044, 669784, 918066, 1004676, 1224088, 1339568, 1836132, 2009352, 2448176, 3672264, 4018704, 4437319, 7344528, 8874638, 13311957, 17749276, 26623914, 35498552, 53247828, 70997104, 106495656, 212991312]

約数ペア:

[(1, 212991312), (2, 106495656), (3, 70997104), (4, 53247828), (6, 35498552), (8, 26623914), (12, 17749276), (16, 13311957), (24, 8874638), (29, 7344528), (48, 4437319), (53, 4018704), (58, 3672264), (87, 2448176), (106, 2009352), (116, 1836132), (159, 1339568), (174, 1224088), (212, 1004676), (232, 918066), (318, 669784), (348, 612044), (424, 502338), (464, 459033), (636, 334892), (696, 306022), (848, 251169), (1272, 167446), (1392, 153011), (1537, 138576), (2544, 83723), (2887, 73776), (3074, 69288), (4611, 46192), (5774, 36888), (6148, 34644), (8661, 24592), (9222, 23096), (11548, 18444), (12296, 17322)]