28873616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 64460160

約数和(自身を除く): 35586544

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 37, 38, 68, 74, 76, 136, 148, 151, 152, 272, 296, 302, 304, 323, 592, 604, 629, 646, 703, 1208, 1258, 1292, 1406, 2416, 2516, 2567, 2584, 2812, 2869, 5032, 5134, 5168, 5587, 5624, 5738, 10064, 10268, 11174, 11248, 11476, 11951, 20536, 22348, 22952, 23902, 41072, 44696, 45904, 47804, 48773, 89392, 94979, 95608, 97546, 106153, 189958, 191216, 195092, 212306, 379916, 390184, 424612, 759832, 780368, 849224, 1519664, 1698448, 1804601, 3609202, 7218404, 14436808, 28873616]

約数ペア:

[(1, 28873616), (2, 14436808), (4, 7218404), (8, 3609202), (16, 1804601), (17, 1698448), (19, 1519664), (34, 849224), (37, 780368), (38, 759832), (68, 424612), (74, 390184), (76, 379916), (136, 212306), (148, 195092), (151, 191216), (152, 189958), (272, 106153), (296, 97546), (302, 95608), (304, 94979), (323, 89392), (592, 48773), (604, 47804), (629, 45904), (646, 44696), (703, 41072), (1208, 23902), (1258, 22952), (1292, 22348), (1406, 20536), (2416, 11951), (2516, 11476), (2567, 11248), (2584, 11174), (2812, 10268), (2869, 10064), (5032, 5738), (5134, 5624), (5168, 5587)]