1639891196

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 3198537216

約数和(自身を除く): 1558646020

約数列:

[1, 2, 4, 17, 31, 34, 62, 67, 68, 124, 134, 268, 289, 527, 578, 683, 1054, 1139, 1156, 1366, 2077, 2108, 2278, 2732, 4154, 4556, 8308, 8959, 11611, 17918, 19363, 21173, 23222, 35309, 35836, 38726, 42346, 45761, 46444, 70618, 77452, 84692, 91522, 141236, 183044, 197387, 359941, 394774, 600253, 719882, 777937, 789548, 1200506, 1418591, 1439764, 1555874, 2401012, 2837182, 3111748, 5674364, 6118997, 12237994, 13224929, 24116047, 24475988, 26449858, 48232094, 52899716, 96464188, 409972799, 819945598, 1639891196]

約数ペア:

[(1, 1639891196), (2, 819945598), (4, 409972799), (17, 96464188), (31, 52899716), (34, 48232094), (62, 26449858), (67, 24475988), (68, 24116047), (124, 13224929), (134, 12237994), (268, 6118997), (289, 5674364), (527, 3111748), (578, 2837182), (683, 2401012), (1054, 1555874), (1139, 1439764), (1156, 1418591), (1366, 1200506), (2077, 789548), (2108, 777937), (2278, 719882), (2732, 600253), (4154, 394774), (4556, 359941), (8308, 197387), (8959, 183044), (11611, 141236), (17918, 91522), (19363, 84692), (21173, 77452), (23222, 70618), (35309, 46444), (35836, 45761), (38726, 42346)]