28691358

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 58430592

約数和(自身を除く): 29739234

約数列:

[1, 2, 3, 6, 131, 173, 211, 262, 346, 393, 422, 519, 633, 786, 1038, 1266, 22663, 27641, 36503, 45326, 55282, 67989, 73006, 82923, 109509, 135978, 165846, 219018, 4781893, 9563786, 14345679, 28691358]

約数ペア:

[(1, 28691358), (2, 14345679), (3, 9563786), (6, 4781893), (131, 219018), (173, 165846), (211, 135978), (262, 109509), (346, 82923), (393, 73006), (422, 67989), (519, 55282), (633, 45326), (786, 36503), (1038, 27641), (1266, 22663)]