156862945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 200309760

約数和(自身を除く): 43446815

約数列:

[1, 5, 31, 83, 89, 137, 155, 415, 445, 685, 2573, 2759, 4247, 7387, 11371, 12193, 12865, 13795, 21235, 36935, 56855, 60965, 228997, 352501, 377983, 1012019, 1144985, 1762505, 1889915, 5060095, 31372589, 156862945]

約数ペア:

[(1, 156862945), (5, 31372589), (31, 5060095), (83, 1889915), (89, 1762505), (137, 1144985), (155, 1012019), (415, 377983), (445, 352501), (685, 228997), (2573, 60965), (2759, 56855), (4247, 36935), (7387, 21235), (11371, 13795), (12193, 12865)]