221025308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{751}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 462895104

約数和(自身を除く): 241869796

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 457, 644, 751, 914, 1502, 1828, 3004, 3199, 5257, 6398, 10511, 10514, 12796, 17273, 21022, 21028, 34546, 42044, 69092, 73577, 120911, 147154, 241822, 294308, 343207, 483644, 686414, 1372828, 2402449, 4804898, 7893761, 9609796, 15787522, 31575044, 55256327, 110512654, 221025308]

約数ペア:

[(1, 221025308), (2, 110512654), (4, 55256327), (7, 31575044), (14, 15787522), (23, 9609796), (28, 7893761), (46, 4804898), (92, 2402449), (161, 1372828), (322, 686414), (457, 483644), (644, 343207), (751, 294308), (914, 241822), (1502, 147154), (1828, 120911), (3004, 73577), (3199, 69092), (5257, 42044), (6398, 34546), (10511, 21028), (10514, 21022), (12796, 17273)]