157718015

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 247520448

約数和(自身を除く): 89802433

約数列:

[1, 5, 7, 13, 23, 35, 49, 65, 91, 115, 161, 245, 299, 455, 637, 805, 1127, 1495, 2093, 2153, 3185, 5635, 10465, 10765, 14651, 15071, 27989, 49519, 73255, 75355, 105497, 139945, 195923, 247595, 346633, 527485, 643747, 979615, 1371461, 1733165, 2426431, 3218735, 4506229, 6857305, 12132155, 22531145, 31543603, 157718015]

約数ペア:

[(1, 157718015), (5, 31543603), (7, 22531145), (13, 12132155), (23, 6857305), (35, 4506229), (49, 3218735), (65, 2426431), (91, 1733165), (115, 1371461), (161, 979615), (245, 643747), (299, 527485), (455, 346633), (637, 247595), (805, 195923), (1127, 139945), (1495, 105497), (2093, 75355), (2153, 73255), (3185, 49519), (5635, 27989), (10465, 15071), (10765, 14651)]