228396688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 495968256

約数和(自身を除く): 267571568

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 61, 94, 104, 122, 188, 208, 244, 376, 383, 488, 611, 752, 766, 793, 976, 1222, 1532, 1586, 2444, 2867, 3064, 3172, 4888, 4979, 5734, 6128, 6344, 9776, 9958, 11468, 12688, 18001, 19916, 22936, 23363, 36002, 37271, 39832, 45872, 46726, 72004, 74542, 79664, 93452, 144008, 149084, 186904, 234013, 288016, 298168, 303719, 373808, 468026, 596336, 607438, 936052, 1098061, 1214876, 1872104, 2196122, 2429752, 3744208, 4392244, 4859504, 8784488, 14274793, 17568976, 28549586, 57099172, 114198344, 228396688]

約数ペア:

[(1, 228396688), (2, 114198344), (4, 57099172), (8, 28549586), (13, 17568976), (16, 14274793), (26, 8784488), (47, 4859504), (52, 4392244), (61, 3744208), (94, 2429752), (104, 2196122), (122, 1872104), (188, 1214876), (208, 1098061), (244, 936052), (376, 607438), (383, 596336), (488, 468026), (611, 373808), (752, 303719), (766, 298168), (793, 288016), (976, 234013), (1222, 186904), (1532, 149084), (1586, 144008), (2444, 93452), (2867, 79664), (3064, 74542), (3172, 72004), (4888, 46726), (4979, 45872), (5734, 39832), (6128, 37271), (6344, 36002), (9776, 23363), (9958, 22936), (11468, 19916), (12688, 18001)]