242138888

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 512568000

約数和(自身を除く): 270429112

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 83, 136, 152, 166, 323, 332, 646, 664, 1129, 1292, 1411, 1577, 2258, 2584, 2822, 3154, 4516, 5644, 6308, 9032, 11288, 12616, 19193, 21451, 26809, 38386, 42902, 53618, 76772, 85804, 93707, 107236, 153544, 171608, 187414, 214472, 364667, 374828, 729334, 749656, 1458668, 1593019, 1780433, 2917336, 3186038, 3560866, 6372076, 7121732, 12744152, 14243464, 30267361, 60534722, 121069444, 242138888]

約数ペア:

[(1, 242138888), (2, 121069444), (4, 60534722), (8, 30267361), (17, 14243464), (19, 12744152), (34, 7121732), (38, 6372076), (68, 3560866), (76, 3186038), (83, 2917336), (136, 1780433), (152, 1593019), (166, 1458668), (323, 749656), (332, 729334), (646, 374828), (664, 364667), (1129, 214472), (1292, 187414), (1411, 171608), (1577, 153544), (2258, 107236), (2584, 93707), (2822, 85804), (3154, 76772), (4516, 53618), (5644, 42902), (6308, 38386), (9032, 26809), (11288, 21451), (12616, 19193)]